Ruhlen, M. (1976). A guide to the langauges of the world. [Stanford University].
Chicago Style CitationRuhlen, Merritt. A Guide to the Langauges of the World. [Stanford University], 1976.
MLA CitationRuhlen, Merritt. A Guide to the Langauges of the World. [Stanford University], 1976.
Warning: These citations may not always be 100% accurate.