Cita APA (7a ed.)

Mitchell, E. (1975). Porpoise, dolphin and small whale fisheries of the world. IUCN.

Cita Chicago Style (17a ed.)

Mitchell, Edward. Porpoise, Dolphin and Small Whale Fisheries of the World. Morges: IUCN, 1975.

Cita MLA (9a ed.)

Mitchell, Edward. Porpoise, Dolphin and Small Whale Fisheries of the World. IUCN, 1975.