Citazione APA

Helle, S., & Lummaa, V. (2013). A trade-off between having many sons and shorter maternal post-reproductive survival in pre-industrial Finland. The Royal Society.

Stile di citazione Chicago

Helle, Samuli, e Virpi Lummaa. A Trade-off between Having Many Sons and Shorter Maternal Post-reproductive Survival in Pre-industrial Finland. The Royal Society, 2013.

Citazione MLA

Helle, Samuli, e Virpi Lummaa. A Trade-off between Having Many Sons and Shorter Maternal Post-reproductive Survival in Pre-industrial Finland. The Royal Society, 2013.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.