APA stil citiranja

Ruhlen, M. (1991). A guide to the world's language: A guide to the world's language : with a postscript on recent developments. Vol. 1, Classification. A guide to the world's language.

Chicago stil citiranja

Ruhlen, Merritt. "A guide to the world's language: A guide to the world's language : with a postscript on recent developments. Vol. 1, Classification." 1991.

MLA stil citiranja

Ruhlen, Merritt. "A guide to the world's language: A guide to the world's language : with a postscript on recent developments. Vol. 1, Classification." 1991.