Cita APA (7a ed.)

Hill, A. A. (1973). Linguistics. Voice of America, United States Information Agency.

Cita Chicago Style (17a ed.)

Hill, Archibald A. Linguistics. Washington, D.C.: Voice of America, United States Information Agency, 1973.

Cita MLA (9a ed.)

Hill, Archibald A. Linguistics. Voice of America, United States Information Agency, 1973.