Kirk, E. C., & Kay, R. F. (2004). The evolution of high visual acuity in the Anthropoidea. In C. F. Ross & R. F. Kay (Eds.), Anthropoid Origins: New Visions (pp. 539–602). New York: Kluwer/Plenum Publishing.

Kirk, E. C., and R. F. Kay. “The evolution of high visual acuity in the Anthropoidea.” In Anthropoid Origins: New Visions, edited by C. F. Ross and R. F. Kay, 539–602. New York: Kluwer/Plenum Publishing, 2004.

Kirk EC, Kay RF. The evolution of high visual acuity in the Anthropoidea. In: Ross CF, Kay RF, editors. Anthropoid Origins: New Visions. New York: Kluwer/Plenum Publishing; 2004. p. 539–602.

Kirk, E. C., and R. F. Kay. “The evolution of high visual acuity in the Anthropoidea.” Anthropoid Origins: New Visions, edited by C. F. Ross and R. F. Kay, Kluwer/Plenum Publishing, 2004, pp. 539–602.

Kirk EC, Kay RF. The evolution of high visual acuity in the Anthropoidea. In: Ross CF, Kay RF, editors. Anthropoid Origins: New Visions. New York: Kluwer/Plenum Publishing; 2004. p. 539–602.