Kay, R. F., & Simons, E. L. (1983). A reassessment of the relationship between later Miocene and subsequent Hominoidea. In R. L. Ciochon & R. S. Corruccini (Eds.), New Interpretations of Ape and Human Ancestry (pp. 577–624). New York: Plenum Press.

Kay, R. F., and E. L. Simons. “A reassessment of the relationship between later Miocene and subsequent Hominoidea.” In New Interpretations of Ape and Human Ancestry, edited by R. L. Ciochon and R. S. Corruccini, 577–624. New York: Plenum Press, 1983.

Kay RF, Simons EL. A reassessment of the relationship between later Miocene and subsequent Hominoidea. In: Ciochon RL, Corruccini RS, editors. New Interpretations of Ape and Human Ancestry. New York: Plenum Press; 1983. p. 577–624.

Kay, R. F., and E. L. Simons. “A reassessment of the relationship between later Miocene and subsequent Hominoidea.” New Interpretations of Ape and Human Ancestry, edited by R. L. Ciochon and R. S. Corruccini, Plenum Press, 1983, pp. 577–624.

Kay RF, Simons EL. A reassessment of the relationship between later Miocene and subsequent Hominoidea. In: Ciochon RL, Corruccini RS, editors. New Interpretations of Ape and Human Ancestry. New York: Plenum Press; 1983. p. 577–624.