Cita APA

Barrett, R. H., & McCullough, D. R. (1992). Wildlife 2001: Population. New York: Elsevier Applied Science.

Citación estilo Chicago

Barrett, Reginald H., y Dale R. McCullough. Wildlife 2001: Population. New York: Elsevier Applied Science, 1992.

Cita MLA

Barrett, Reginald H., y Dale R. McCullough. Wildlife 2001: Population. New York: Elsevier Applied Science, 1992.