Cita APA (7th ed.)

Vetter, R. C. (1974). Oceanography: The last frontier. Voice of America.

Cita Chicago (17th ed.)

Vetter, Richard C. Oceanography: The Last Frontier. Washington, D. C: Voice of America, 1974.

Cita MLA (9th ed.)

Vetter, Richard C. Oceanography: The Last Frontier. Voice of America, 1974.