Citazione Stile APA (7a Edizione)

Griffin, A., Sheldon, B., West, S., & Naturalists, A. S. o. (2005). Cooperative breeders adjust offspring sex ratios to produce helpful helpers. University of Chicago Press.

Citazione stile Chigago Style (17a edizione)

Griffin, A., B. Sheldon, S. West, e American Society of Naturalists. Cooperative Breeders Adjust Offspring Sex Ratios to Produce Helpful Helpers. University of Chicago Press, 2005.

Citatione MLA (9a ed.)

Griffin, A., et al. Cooperative Breeders Adjust Offspring Sex Ratios to Produce Helpful Helpers. University of Chicago Press, 2005.