Cita APA

Bugnyar, T., & Heinrich, B. (2005). Ravens, Corvus corax, differentiate between knowledgeable and ignorant competitors. The Royal Society.

Citación estilo Chicago

Bugnyar, Thomas, and Bernd Heinrich. Ravens, Corvus Corax, Differentiate between Knowledgeable and Ignorant Competitors. The Royal Society, 2005.

Cita MLA

Bugnyar, Thomas, and Bernd Heinrich. Ravens, Corvus Corax, Differentiate between Knowledgeable and Ignorant Competitors. The Royal Society, 2005.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.