APA Style

Ruhlen, Merritt. (1987). A guide to the world's Languages Volume 1: Classification . California: Stanford University Press.

Chicago Style

Ruhlen, Merritt. A guide to the world's Languages Volume 1: Classification. California: Stanford University Press, 1987. Text.

MLA Style

Ruhlen, Merritt. A guide to the world's Languages Volume 1: Classification. California: Stanford University Press, 1987. Text.

Turabian Style

Ruhlen, Merritt. A guide to the world's Languages Volume 1: Classification. California: Stanford University Press, 1987. Print.