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 Carnivora | id = 14000222 | page = 546}}

gives

Wozencraft, W. C. (2005). "Order Carnivora". In Wilson, D. E.; Reeder, D. M (eds.). Mammal Species of the World (3rd ed.). Johns Hopkins University Press. p. 546. ISBN 978-0-8018-8221-0. OCLC 62265494. {{cite book}}: Invalid |ref=harv (help)

for the clouded leopard, Neofelis nebulosa (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).

In the following example, a heading is added, which then replaces "Order Carnivora":

{{MSW3 Carnivora | id = 14000203 | pages = 544–545 | heading = Genus ''Puma''}}

giving

Wozencraft, W. C. (2005). "Genus Puma". In Wilson, D. E.; Reeder, D. M (eds.). Mammal Species of the World (3rd ed.). Johns Hopkins University Press. pp. 544–545. ISBN 978-0-8018-8221-0. OCLC 62265494. {{cite book}}: Invalid |ref=harv (help)

for Puma (the heading link now goes to the MSW3 web page for the genus entry).