APA (7th ed.) Citation

Sapir, E. (1949). Language: : an introduction to the study of spech. Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Sapir, Edward. Language: : An Introduction to the Study of Spech. New York: Harcourt, Brace & World, 1949.

MLA (9th ed.) Citation

Sapir, Edward. Language: : An Introduction to the Study of Spech. Harcourt, Brace & World, 1949.