
\documentclass[11pt,a4paper]{article}
\usepackage{graphicx}
% uncomment according to your operating system:
% ------------------------------------------------
\usepackage[latin1]{inputenc}    %% european characters can be used (Windows, old Linux)
%\usepackage[utf8]{inputenc}     %% european characters can be used (Linux)
%\usepackage[applemac]{inputenc} %% european characters can be used (Mac OS)
% ------------------------------------------------
\usepackage{authblk}
\usepackage[superscript]{cite}
\usepackage[document]{ragged2e}
\usepackage[T1]{fontenc}   %% get hyphenation and accented letters right
\usepackage{mathptmx}      %% use fitting times fonts also in formulas
% do not change these lines:
\pagestyle{empty}                %% no page numbers!
\usepackage[left=35mm, right=35mm, top=15mm, bottom=20mm, noheadfoot]{geometry}
%% please don't change geometry settings!


% begin the document
\begin{document}
\thispagestyle{empty}
%make title bold and 14 pt font (Latex default is non-bold, 16 pt)
\title{\Large \textbf{My FOMMS Abstract Title [14pt bold]}}
\author[1]{\large {Joseph Student}}
\author[2]{\large {Jane Postdoc}}
\author[1]{\large {Robert Undergrad}}
\author[3]{\large {\underline{Mary Professor}}}%%[12 pt regular, presenting speaker underlined]


\affil[1]{\textit{Department of Chemical Engineering, Name of University,
Name of City, Name of State, Zip Code, Country [12 pt italicized]}}
\affil[2]{\textit{Research Division, Name of Company, 
Name of City, Name of State, Zip Code, Country [12 pt italicized]}}
\affil[3]{\textit{Department of Chemistry, Name of University,
Name of City, Name of State, Zip Code, Country [12 pt italicized]}}

\date{} % <--- leave date empty
\maketitle\thispagestyle{empty} %% <-- you need this for the first page
\begin{center}
    \title{\textbf{ABSTRACT} [12 pt bold]}\centering{}
\end{center}
\justify
The abstract should be no longer than one page. Please provide background information,
key findings, and a brief summary of the results.  If you would like to cite references in your abstract,
please cite them in the following way~\cite{article}.  A reference to a book is also provided~\cite{book}.


\begin{thebibliography}{00}
\addcontentsline{toc}{chapter}{References}
\bibitem{article} J. M. Smith, Y. T. Lee and J. Black, ``Article Title'', Journal Name, \textbf{year}, volume, page numbers. 
\bibitem{book} T. R. Roosevelt and G. Marshall, Book title, publisher, city, year. 
\end{thebibliography}
[all references should be 10-12 pt regular, include all authors and titles]
\end{document}
