这是文档的序言.tex，我想在我的文档中引用论文。请建议我修改什么才能做到这一点。
\documentclass[paper=letter, fontsize=12pt]{book}
\usepackage[utf8]{inputenc}
\usepackage[english]{babel}
\usepackage{graphicx}
\usepackage{subfigure}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{fancyhdr}
\usepackage{geometry}
\usepackage{textcomp}
\usepackage{setspace}
\usepackage[font=small]{caption}
\usepackage{float}
\usepackage{lineno}
\usepackage{cite}
\usepackage{hyperref}
\usepackage[Glenn]{fncychap} %Options: Sonny, Lenny, Glenn, Conny, Rejne, Bjarne, Bjornstrup
%\textwidth=450pt\oddsidemargin=0pt
%\geometry{verbose,a4paper,tmargin=25mm,bmargin=25mm,lmargin=25mm,rmargin=25mm}
\setlength{\parindent}{0in}
\onehalfspacing