Perrin, W. F. (1975). Variation of spotted and spinner porpoise (Genus Stenella) in the Eastern Tropical Pacific and Hawaii. University of California Press.
Citação do estilo Chicago (17ª ed.)Perrin, William F. Variation of Spotted and Spinner Porpoise (Genus Stenella) in the Eastern Tropical Pacific and Hawaii. Berkeley, California: University of California Press, 1975.
Citação MLA (9ª ed.)Perrin, William F. Variation of Spotted and Spinner Porpoise (Genus Stenella) in the Eastern Tropical Pacific and Hawaii. University of California Press, 1975.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.