APA Citation

Norscia, I., & Palagi, E. (2011). Yawn Contagion and Empathy in Homo sapiens. Public Library of Science.

Chicago Style Citation

Norscia, Ivan, and Elisabetta Palagi. Yawn Contagion and Empathy in Homo Sapiens. Public Library of Science, 2011.

MLA Citation

Norscia, Ivan, and Elisabetta Palagi. Yawn Contagion and Empathy in Homo Sapiens. Public Library of Science, 2011.

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