Cita APA

Ewen, J. G., Thorogood, R., Brekke, P., Cassey, P., Karadas, F., & Armstrong, D. P. (2009). Maternally invested carotenoids compensate costly ectoparasitism in the hihi. National Academy of Sciences.

Chicago Style Citation

Ewen, John G., Rose Thorogood, Patricia Brekke, Phillip Cassey, Filiz Karadas, i Doug P. Armstrong. Maternally Invested Carotenoids Compensate Costly Ectoparasitism in the Hihi. National Academy of Sciences, 2009.

Cita MLA

Ewen, John G., et al. Maternally Invested Carotenoids Compensate Costly Ectoparasitism in the Hihi. National Academy of Sciences, 2009.