APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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