APA (7th ed.) Citation

Sapir, E. (1949). Language: An introduction to the study of speech. Harourt, Brace & World.

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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