Cita APA (7th ed.)

Kenny, E., Birkhead, T., & Green, J. (2017). Allopreening in birds is associated with parental cooperation over offspring care and stable pair bonds across years. Oxford University Press.

Cita Chicago (17th ed.)

Kenny, E., T. Birkhead, i J. Green. Allopreening in Birds Is Associated with Parental Cooperation over Offspring Care and Stable Pair Bonds Across Years. Oxford University Press, 2017.

Cita MLA (9th ed.)

Kenny, E., et al. Allopreening in Birds Is Associated with Parental Cooperation over Offspring Care and Stable Pair Bonds Across Years. Oxford University Press, 2017.