APA stil citiranja

Ruhlen, M. (1976). A guide to the languages of the world: A guide to the languages of the world. Stanford: Language Universals Project, Stanford University.

Chicago stil citiranja

Ruhlen, Merritt. A guide to the languages of the world: A guide to the languages of the world. Stanford: Language Universals Project, Stanford University, 1976.

MLA stil citiranja

Ruhlen, Merritt. A guide to the languages of the world: A guide to the languages of the world. Stanford: Language Universals Project, Stanford University, 1976.