Kay, R. F. (1978). Molar structure and diet in extant Cercopithecoidea. In P. M. Butler & K. Joysey (Eds.), Development, Function and Evolution of Teeth (pp. 309–339). London: Academic Press.

Kay, R. F. “Molar structure and diet in extant Cercopithecoidea.” In Development, Function and Evolution of Teeth, edited by P. M. Butler and K. Joysey, 309–39. London: Academic Press, 1978.

Kay RF. Molar structure and diet in extant Cercopithecoidea. In: Butler PM, Joysey K, editors. Development, Function and Evolution of Teeth. London: Academic Press; 1978. p. 309–39.

Kay, R. F. “Molar structure and diet in extant Cercopithecoidea.” Development, Function and Evolution of Teeth, edited by P. M. Butler and K. Joysey, Academic Press, 1978, pp. 309–39.

Kay RF. Molar structure and diet in extant Cercopithecoidea. In: Butler PM, Joysey K, editors. Development, Function and Evolution of Teeth. London: Academic Press; 1978. p. 309–339.