Cita APA (7th ed.)

Ommanney, F. D. (1961). The ocean (2a. ed.). Oxford University Press.

Cita Chicago (17th ed.)

Ommanney, Francis Downes. The Ocean. 2a. ed. Londres: Oxford University Press, 1961.

Cita MLA (9th ed.)

Ommanney, Francis Downes. The Ocean. 2a. ed. Oxford University Press, 1961.