APA (7th ed.) Citation

Griffin, A., Sheldon, B., & West, S. (2005). Cooperative breeders adjust offspring sex ratios to produce helpful helpers.

Chicago Style (17th ed.) Citation

Griffin, A., B. Sheldon, and SA West. Cooperative Breeders Adjust Offspring Sex Ratios to Produce Helpful Helpers. 2005.

MLA (9th ed.) Citation

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