Cita APA (7th ed.)
Spalding, D. (1964). Comparative Feeding Habits of the fur seal, sea lion, and harbour seal on the British Columbia Coast.
Cita Chicago (17th ed.)
Spalding, D.J. Comparative Feeding Habits of the Fur Seal, Sea Lion, and Harbour Seal on the British Columbia Coast. Ottawa, 1964.
Cita MLA (9th ed.)
Spalding, D.J. Comparative Feeding Habits of the Fur Seal, Sea Lion, and Harbour Seal on the British Columbia Coast. 1964.
Atenció: Aquestes cites poden no estar 100% correctes.