APA stil citiranja

Ruhlen, M. (1987). A guide to the world's languages: A guide to the world's languages : volume 1: classification. Stanford: Stanford University Press.

Chicago stil citiranja

Ruhlen, Merritt. A guide to the world's languages: A guide to the world's languages : volume 1: classification. Stanford: Stanford University Press, 1987.

MLA stil citiranja

Ruhlen, Merritt. A guide to the world's languages: A guide to the world's languages : volume 1: classification. Stanford: Stanford University Press, 1987.