Ruhlen, M. (1987). A guide to the world's languages. Stanford University Press.
Chicago Style (17th ed.) CitationRuhlen, Merritt. A Guide to the World's Languages. Stanford, California: Stanford University Press, 1987.
MLA (8th ed.) CitationRuhlen, Merritt. A Guide to the World's Languages. Stanford University Press, 1987.
Warning: These citations may not always be 100% accurate.
