Cita APA (7th ed.)

Drever, C. (1971). Cod fishing at Greenland. White Fish Authority.

Cita Chicago (17th ed.)

Drever, Charles. Cod Fishing at Greenland. London: White Fish Authority, 1971.

Cita MLA (9th ed.)

Drever, Charles. Cod Fishing at Greenland. White Fish Authority, 1971.