[Tex/LaTex] Drop brackets around reference item in `natbib`


I am writing for a journal (Transportation Research Record) that has strange and particular bibliographic guidelines. I've been able to adapt natbib to work for the in-text citations. But the bibliography prints brackets around the item numbers.

\title{Brief Article}
\author{The Author}

This is an example citation \trbcite{Mokhtarian2008}.

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With bibfile.bib containing

author = {Mokhtarian, Patricia L. and Cao, Xinyu},
doi = {10.1016/j.trb.2007.07.006},
issn = {01912615},
journal = {Transportation Research Part B: Methodological},
keywords = {built environment,causality,land use,residential location,smart growth},
month = mar,
pages = {204--228},
title = {{Examining the impacts of residential self-selection on travel behavior: A focus on methodologies}},
url = {http://linkinghub.elsevier.com/retrieve/pii/S0191261507000744},
volume = {42},
year = {2008}

Any easy ways to do this? Or is this something that will require the .bst file?

Best Answer

Add to the preamble


Not related to the question, but \it is an old command that shouldn't be used anymore; use \itshape instead.

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