Παραπομπή APA

Bullen. (1947). cruise of the cachalot. Dodd, Mead & Company.

Παραπομπή Chicago Style

Bullen. Cruise of the Cachalot. New York: Dodd, Mead & Company, 1947.

Παραπομπή MLA

Bullen. Cruise of the Cachalot. Dodd, Mead & Company, 1947.