APA (7th ed.) Citation

Lea, M., & Soper, T. (2005). Discovery of the first Emperor penguin Aptenodytes forsteri colony in Marie Byrd Land, Antarctica.

Chicago Style (17th ed.) Citation

Lea, M-A, and T. Soper. Discovery of the First Emperor Penguin Aptenodytes Forsteri Colony in Marie Byrd Land, Antarctica. 2005.

MLA (8th ed.) Citation

Lea, M-A, and T. Soper. Discovery of the First Emperor Penguin Aptenodytes Forsteri Colony in Marie Byrd Land, Antarctica. 2005.

Warning: These citations may not always be 100% accurate.