APA (7th ed.) Citation

Sander, M., Balbão, T. C., Costa, E. S., Santos, C. R. d., & Petry, M. V. (2006). Decline of the breeding population of Pygoscelis antarctica and Pygoscelis adeliae on Penguin Island, South Shetland, Antarctica. Polar Biology, 30(5), 651.

Chicago Style (17th ed.) Citation

Sander, Martin, Tatiana Coelho Balbão, Erli Schneider Costa, Cesar Rodrigo dos Santos, and Maria Virgínia Petry. "Decline of the Breeding Population of Pygoscelis Antarctica and Pygoscelis Adeliae on Penguin Island, South Shetland, Antarctica." Polar Biology 30, no. 5 (2006): 651.

MLA (9th ed.) Citation

Sander, Martin, et al. "Decline of the Breeding Population of Pygoscelis Antarctica and Pygoscelis Adeliae on Penguin Island, South Shetland, Antarctica." Polar Biology, vol. 30, no. 5, 2006, p. 651.