Cita APA

Tickle, P. G., Nudds, R. L., & Codd, J. R. (2012). Barnacle Geese Achieve Significant Energetic Savings by Changing Posture. Public Library of Science.

Chicago Style Citation

Tickle, Peter G., Robert L. Nudds, i Jonathan R. Codd. Barnacle Geese Achieve Significant Energetic Savings By Changing Posture. Public Library of Science, 2012.

Cita MLA

Tickle, Peter G., Robert L. Nudds, i Jonathan R. Codd. Barnacle Geese Achieve Significant Energetic Savings By Changing Posture. Public Library of Science, 2012.