Cita APA

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

Chicago Edition Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.