BibTex format
@unpublished{Kosova:2012,
author = {Kosova, R and LaFontaine, F and Zhao, B},
publisher = {SSRN Working Paper},
title = {Scale, Scope, Ownership Changes, and Performance},
url = {http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1931021},
year = {2012}
}