Dyfyniad APA

La Sorte, F. A., Fink, D., Hochachka, W. M., DeLong, J. P., & Kelling, S. (2014). Spring phenology of ecological productivity contributes to the use of looped migration strategies by birds. The Royal Society.

Dyfyniad Arddull Chicago

La Sorte, Frank A., Daniel Fink, Wesley M. Hochachka, John P. DeLong, and Steve Kelling. Spring Phenology of Ecological Productivity Contributes to the Use of Looped Migration Strategies By Birds. The Royal Society, 2014.

Dyfyniad MLA

La Sorte, Frank A., et al. Spring Phenology of Ecological Productivity Contributes to the Use of Looped Migration Strategies By Birds. The Royal Society, 2014.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.