Cita APA

Helle, S., Helama, S., & Jokela, J. (2007). Temperature-related birth sex ratio bias in historical Sami: Warm years bring more sons. The Royal Society.

Citación estilo Chicago

Helle, Samuli, Samuli Helama, and Jukka Jokela. Temperature-related Birth Sex Ratio Bias in Historical Sami: Warm Years Bring More Sons. The Royal Society, 2007.

Cita MLA

Helle, Samuli, Samuli Helama, and Jukka Jokela. Temperature-related Birth Sex Ratio Bias in Historical Sami: Warm Years Bring More Sons. The Royal Society, 2007.

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