APA (7th ed.) Citation

Pezzo, F., Olmastroni, S., Volpi, V., & Focardi, S. (2007). Annual variation in reproductive parameters of Adélie penguins at Edmonson Point, Victoria Land, Antarctica. Polar Biology, 31(1), 39.

Chicago Style (17th ed.) Citation

Pezzo, F., S. Olmastroni, V. Volpi, and S. Focardi. "Annual Variation in Reproductive Parameters of Adélie Penguins at Edmonson Point, Victoria Land, Antarctica." Polar Biology 31, no. 1 (2007): 39.

MLA (9th ed.) Citation

Pezzo, F., et al. "Annual Variation in Reproductive Parameters of Adélie Penguins at Edmonson Point, Victoria Land, Antarctica." Polar Biology, vol. 31, no. 1, 2007, p. 39.