Cita APA (7a ed.)

Estes, R. (2014). The gnu's world: Serengeti wildebeest ecology and life history. University of California Press.

Cita Chicago Style (17a ed.)

Estes, Richard. The Gnu's World: Serengeti Wildebeest Ecology and Life History. Berkeley: University of California Press, 2014.

Cita MLA (8a ed.)

Estes, Richard. The Gnu's World: Serengeti Wildebeest Ecology and Life History. University of California Press, 2014.