Watts, D., & Pusey, A. (1993). Life-history tactics of juvenile great apes. In M. E. Pereira & L. A. Fairbanks (Eds.), Juveniles: Comparative Socioecology. Oxford: Oxford University press.

Watts, D., and A. Pusey. “Life-history tactics of juvenile great apes.” In Juveniles: Comparative Socioecology, edited by M. E. Pereira and L. A. Fairbanks. Oxford: Oxford University press, 1993.

Watts D, Pusey A. Life-history tactics of juvenile great apes. In: Pereira ME, Fairbanks LA, editors. Juveniles: Comparative Socioecology. Oxford: Oxford University press; 1993.

Watts, D., and A. Pusey. “Life-history tactics of juvenile great apes.” Juveniles: Comparative Socioecology, edited by M. E. Pereira and L. A. Fairbanks, Oxford University press, 1993.

Watts D, Pusey A. Life-history tactics of juvenile great apes. In: Pereira ME, Fairbanks LA, editors. Juveniles: Comparative Socioecology. Oxford: Oxford University press; 1993.