Cita APA (7a ed.)

Graff, W. L. (1964). Language and languages: An introduction to linguistics. Russell and Russell.

Cita Chicago Style (17a ed.)

Graff, Willem Laurens. Language and Languages: An Introduction to Linguistics. New York: Russell and Russell, 1964.

Cita MLA (9a ed.)

Graff, Willem Laurens. Language and Languages: An Introduction to Linguistics. Russell and Russell, 1964.