Cita APA (7th ed.)

Firth, F. E. (1969). The encyclopedia of marine resources. Van Nostrand Reinhold.

Cita Chicago (17th ed.)

Firth, Frank E. The Encyclopedia of Marine Resources. Nueva York: Van Nostrand Reinhold, 1969.

Cita MLA (9th ed.)

Firth, Frank E. The Encyclopedia of Marine Resources. Van Nostrand Reinhold, 1969.