Cita APA

Mansilla, H., de Valais, S., Stinnesbeck, W., Varela, N., & Leppe, M. (2012). New Avian tracks from the lower to middle Eocene at Fossil Hill, King George Island, Antarctica. Web

Citación estilo Chicago

Mansilla, Héctor, Silvina de Valais, Wolfgang Stinnesbeck, Natalia Varela, and Marcelo Leppe. New Avian Tracks From the Lower to Middle Eocene At Fossil Hill, King George Island, Antarctica. 2012.

Cita MLA

Mansilla, Héctor, et al. New Avian Tracks From the Lower to Middle Eocene At Fossil Hill, King George Island, Antarctica. 2012.