Modelo de tese! Dê uma olhada no modelo oficial pra ver se está tudo certo! As coisas mudam :)
\documentclass[msc, a4paper, 12pt]{ppgccufmg}
\usepackage[english]{babel}
\usepackage{type1ec}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{graphicx}
\usepackage{hyperref}
\selectlanguage{english}
\begin{document}
\ppgccufmg{
title={Title in English},
portuguesetitle={Title in Portuguese},
authorrev={Horta Ribeiro, Manoel},
cutter={D1234p},
cdu={519.6*82.10},
university={Federal University of Minas Gerais},
portugueseuniversity={Universidade Federal de Minas Gerais},
course={Computer Science},
portugueseuniversity={Universidade Federal de Minas Gerais},
portuguesecourse={Ciência da Computação},
address={Belo Horizonte},
date={2018-03},
advisor={Wagner Meira Jr. \& Virgílio Almeida},
% approval={img/approvalsheet.eps},
abstract=[brazil]{Resumo}{./intro_tex/abs_por},
abstract={Abstract}{./intro_tex/abs_eng},
dedication={./intro_tex/dedication},
ack={./intro_tex/acks},
epigraphtext={The metaphysicians of Tlön do not seek for the truth or even for verisimilitude, but rather for the astounding.}{Jorge Luis Borges in Tlön, Uqbar, Orbis Tertius (1940)},
keywords={Visão Computacional, Redes, Sabotagens},
}
\chapter{Introdução}
\ppgccbibliography{bibfile}
\end{document}