APA način citiranja

Grant, P. R., & Grant, B. R. (2011). Causes of lifetime fitness of Darwin's finches in a fluctuating environment. National Academy of Sciences.

Čikaški stil citiranja

Grant, Peter R., i B. Rosemary Grant. Causes of Lifetime Fitness of Darwin's Finches in a Fluctuating Environment. National Academy of Sciences, 2011.

MLA način citiranja

Grant, Peter R., i B. Rosemary Grant. Causes of Lifetime Fitness of Darwin's Finches in a Fluctuating Environment. National Academy of Sciences, 2011.