APA (7th ed.) Citation

Sapir, E. (1970). Language: An introduction to the study of speech. Rupert Hart-Davis.

Chicago Style (17th ed.) Citation

Sapir, Edward. Language: An Introduction to the Study of Speech. London: Rupert Hart-Davis, 1970.

MLA (9th ed.) Citation

Sapir, Edward. Language: An Introduction to the Study of Speech. Rupert Hart-Davis, 1970.

Warning: These citations may not always be 100% accurate.