Cita APA

Weiss, A., Adams, M. J., & King, J. E. (2011). Happy orang-utans live longer lives. The Royal Society.

Citación estilo Chicago

Weiss, Alexander, Mark J. Adams, y James E. King. Happy Orang-utans Live Longer Lives. The Royal Society, 2011.

Cita MLA

Weiss, Alexander, Mark J. Adams, y James E. King. Happy Orang-utans Live Longer Lives. The Royal Society, 2011.