APA (7th ed.) Citation

Tickle, P. G., Nudds, R. L., & Codd, J. R. Barnacle geese achieve significant energetic savings by changing posture. Public Library of Science (PLoS).

Chicago Style (17th ed.) Citation

Tickle, Peter G., Robert L. Nudds, and Jonathan R. Codd. Barnacle Geese Achieve Significant Energetic Savings by Changing Posture. Public Library of Science (PLoS).

MLA (9th ed.) Citation

Tickle, Peter G., et al. Barnacle Geese Achieve Significant Energetic Savings by Changing Posture. Public Library of Science (PLoS).

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