Cita APA

Gaskell, T. F. (1960). Under the deep oceans: Twentieth century voyages of discovery.

Chicago Edition Citation

Gaskell, T F. Under the Deep Oceans: Twentieth Century Voyages of Discovery. Eyre & Spottiswoode, London, 1960.

Cita MLA

Gaskell, T F. Under the Deep Oceans: Twentieth Century Voyages of Discovery. 1960.