Citazione Stile APA (7a Edizione)

Katzner, K. (1975). The language of the world. Funk and Wagnals.

Citazione stile Chigago Style (17a edizione)

Katzner, Kenneth. The Language of the World. New York: Funk and Wagnals, 1975.

Citatione MLA (9a ed.)

Katzner, Kenneth. The Language of the World. Funk and Wagnals, 1975.