APA-referens (7:e uppl.)

Horvitz, C., Coulson, T., Tuljapurkar, S., & Schemske, D. (2010). A new way to integrate selection when both demography and selection gradients vary over time.

Chicago-referens (17:e uppl.)

Horvitz, C., T. Coulson, S. Tuljapurkar, och D. Schemske. A New Way to Integrate Selection When Both Demography and Selection Gradients Vary over Time. 2010.

MLA-referens (9:e uppl.)

Horvitz, C., et al. A New Way to Integrate Selection When Both Demography and Selection Gradients Vary over Time. 2010.