Cita APA

Calhim, S., Double, M. C., Margraf, N., Birkhead, T. R., & Cockburn, A. (2011). Maintenance of Sperm Variation in a Highly Promiscuous Wild Bird. Public Library of Science.

Citación estilo Chicago

Calhim, Sara, Michael C. Double, Nicolas Margraf, Tim R. Birkhead, and Andrew Cockburn. Maintenance of Sperm Variation in a Highly Promiscuous Wild Bird. Public Library of Science, 2011.

Cita MLA

Calhim, Sara, et al. Maintenance of Sperm Variation in a Highly Promiscuous Wild Bird. Public Library of Science, 2011.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.