Cita APA (7a ed.)

Trathan, P. N., Fretwell, P. T., & Stonehouse, B. (2011). First recorded loss of an emperor penguin colony in the recent period of Antarctic regional warming: Implications for other colonies. Public Library of Science (PLoS).

Cita Chicago Style (17a ed.)

Trathan, Philip N., Peter T. Fretwell, y Bernard Stonehouse. First Recorded Loss of an Emperor Penguin Colony in the Recent Period of Antarctic Regional Warming: Implications for Other Colonies. Public Library of Science (PLoS), 2011.

Cita MLA (8a ed.)

Trathan, Philip N., et al. First Recorded Loss of an Emperor Penguin Colony in the Recent Period of Antarctic Regional Warming: Implications for Other Colonies. Public Library of Science (PLoS), 2011.