Cita APA (7a ed.)

Bereczkei, T., Dunbar, R., & Research, W. F. f. A. (2002). Helping-at-the-nest and sex-biased parental investment in a Hungarian Gypsy population. University of Chicago Press.

Cita Chicago Style (17a ed.)

Bereczkei, T., R. Dunbar, y Wenner-Gren Foundation for Anthropological Research. Helping-at-the-nest and Sex-biased Parental Investment in a Hungarian Gypsy Population. University of Chicago Press, 2002.

Cita MLA (9a ed.)

Bereczkei, T., et al. Helping-at-the-nest and Sex-biased Parental Investment in a Hungarian Gypsy Population. University of Chicago Press, 2002.