Zietsch, Brendan P., Westberg, Lars, Santtila, Pekka e Jern, Patrick, Genetic analysis of human extrapair mating: heritability, between-sex correlation, and receptor genes for vasopressin and oxytocin (PDF), in Evolution & Human Behavior, vol. 36, n. 2, 2015, pp. 130–136, DOI:10.1016/j.evolhumbehav.2014.10.001.
«We find strong genetic effects on extrapair mating in women and, for the first time, in men.»