Style de citation APA (7e éd.)

Ruhlen, M. (1987). A guide to world's languages. Stanford University Press.

Style de citation Chicago (17e éd.)

Ruhlen, Merritt. A Guide to World's Languages. Stanford, Calif: Stanford University Press, 1987.

Style de citation MLA (9e éd.)

Ruhlen, Merritt. A Guide to World's Languages. Stanford University Press, 1987.