This template takes an optional id parameter, heading and page number or numbers for the MSW3 entry on the species or other subtaxon in question.

For example:

{{MSW3 Woods | id = 13400279 | page = 1561}}

gives

Woods, C. A.; Kilpatrick, C. W. (2005). "Infraorder Hystricognathi". In Wilson, D. E.; Reeder, D. M (eds.). Mammal Species of the World (3rd ed.). Johns Hopkins University Press. p. 1561. ISBN 978-0-8018-8221-0. OCLC 62265494. {{cite book}}: Invalid |ref=harv (help)

for the Argentine tuco-tuco, Ctenomys argentinus (the chapter link goes to the MSW3 web page for the species entry, while the title link goes to the Google Books preview for MSW3).