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 Sirenia | id = 11600012 | page = 93}}

gives

Shoshani, J. (2005). "Order Sirenia". ជា Wilson, D. E.; Reeder, D. M. Mammal Species of the World (3rd រ.រ.). Johns Hopkins University Press. p. 93. ល.ស.ប.អ. 978-0-8018-8221-0. ម.ប.គ.ល. 62265494. http://www.bucknell.edu/msw3/browse.asp?id=11600012. 

for the West Indian manatee, Trichechus manatus (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).