Cita APA (7th ed.)
Sapir, E. (1949). Language: An introduction to the study of speech. Harcourt, Brace and Company.
Cita Chicago (17th ed.)
Sapir, Edward. Language: An Introduction to the Study of Speech. New York: Harcourt, Brace and Company, 1949.
Cita MLA (9th ed.)
Sapir, Edward. Language: An Introduction to the Study of Speech. Harcourt, Brace and Company, 1949.
Atenció: Aquestes cites poden no estar 100% correctes.