APA (7th ed.) Citation

Preston-Mafham, R., & Preston-Mafham, K. (1992). Primates of the world. Facts on File.

Chicago Style (17th ed.) Citation

Preston-Mafham, Rod, and Ken Preston-Mafham. Primates of the World. New York: Facts on File, 1992.

MLA (9th ed.) Citation

Preston-Mafham, Rod, and Ken Preston-Mafham. Primates of the World. Facts on File, 1992.