APA (7th ed.) Citation

Stirling, I. (1969). Birth of a Weddell Seal Pup. Journal of Mammalogy, 50(1), 155.

Chicago Style (17th ed.) Citation

Stirling, Ian. "Birth of a Weddell Seal Pup." Journal of Mammalogy 50, no. 1 (1969): 155.

MLA (9th ed.) Citation

Stirling, Ian. "Birth of a Weddell Seal Pup." Journal of Mammalogy, vol. 50, no. 1, 1969, p. 155.