APA (7th ed.) Citation

Olsson, O., Bonnedahl, J., & Anker‐Nilssen, P. (2001). Mate switching and copulation behaviour in King Penguins. Journal of Avian Biology, 32(2), 139.

Chicago Style (17th ed.) Citation

Olsson, Olof, Jonas Bonnedahl, and Per Anker‐Nilssen. "Mate Switching and Copulation Behaviour in King Penguins." Journal of Avian Biology 32, no. 2 (2001): 139.

MLA (8th ed.) Citation

Olsson, Olof, et al. "Mate Switching and Copulation Behaviour in King Penguins." Journal of Avian Biology, vol. 32, no. 2, 2001, p. 139.