APA (7th ed.) Citation

Gladstone, W. (1988). Killer Whale Feeding Observed Underwater. Journal of Mammalogy, 69(3), 629.

Chicago Style (17th ed.) Citation

Gladstone, W. "Killer Whale Feeding Observed Underwater." Journal of Mammalogy 69, no. 3 (1988): 629.

MLA (9th ed.) Citation

Gladstone, W. "Killer Whale Feeding Observed Underwater." Journal of Mammalogy, vol. 69, no. 3, 1988, p. 629.