APA Style

Zipf, George Kingsley. (1935). The Psycho-Biology of Language: an introduction to Dynamic Philology . Boston: Houghton Mifflin Company.

Chicago Style

Zipf, George Kingsley. The Psycho-Biology of Language: an introduction to Dynamic Philology. Boston: Houghton Mifflin Company, 1935. .

MLA Style

Zipf, George Kingsley. The Psycho-Biology of Language: an introduction to Dynamic Philology. Boston: Houghton Mifflin Company, 1935. .

Turabian Style

Zipf, George Kingsley. The Psycho-Biology of Language: an introduction to Dynamic Philology. Boston: Houghton Mifflin Company, 1935. .