\documentclass[letterpaper,12pt,oneside]{book}
%\usepackage[a4paper,includeall,bindingoffset=0cm,margin=2cm,marginparsep=0cm,marginparwidth=0cm]{geometry}
\usepackage[top=1in, left=0.9in, right=1.25in, bottom=1in]{geometry}
%\usepackage{ThesisMartinIPN}
\usepackage[utf8]{inputenc}
\usepackage{url}
\usepackage[T1]{fontenc}
\usepackage[spanish,es-nodecimaldot,es-tabla]{babel}
\usepackage{graphicx}
\usepackage{tikz}
\usepackage{tocloft}
\graphicspath{{./figs/}}
\usepackage{setspace}
\usepackage{comment}
\usepackage{hyperref}
\urlstyle{same}
\hypersetup{
colorlinks=true,
urlcolor=cyan,
linkcolor=black,
citecolor=black,
filecolor=magenta,
pdftitle={Sharelatex Example},
pdfpagemode=FullScreen,
}
%\usepackage[natbibapa]{apacite}
%\usepackage[round]{natbib}
%\renewcommand\cftsecpresnum{\S}
%\renewcommand\cftsubsecpresnum{\S}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Modificación de la plantilla original de esta url:
% https://www.overleaf.com/latex/templates/cicata-ipn/fhskzcpfwvgn
% A continuación los comentarios de la plantilla original:
% Modificar el archivo de portada. tex
\begin{document}
\include{Pretexto/portada}
%\include{Pretexto/frontmater}
%\include{Intro/intro}
\bibliographystyle{apacite}
\bibliography{References/predoc.bib}
\end{document}
