Packer, C., & Pusey, A. (1985). Asymmetric contests in social mammals: respect, manipulation and age specific aspects. In P. J. Greenwood & M. Slatkin (Eds.), Evolution. Cambridge: Cambridge University Press.

Packer, C., and A. Pusey. “Asymmetric contests in social mammals: respect, manipulation and age specific aspects.” In Evolution, edited by P. J. Greenwood and M. Slatkin. Cambridge: Cambridge University Press, 1985.

Packer C, Pusey A. Asymmetric contests in social mammals: respect, manipulation and age specific aspects. In: Greenwood PJ, Slatkin M, editors. Evolution. Cambridge: Cambridge University Press; 1985.

Packer, C., and A. Pusey. “Asymmetric contests in social mammals: respect, manipulation and age specific aspects.” Evolution, edited by P. J. Greenwood and M. Slatkin, Cambridge University Press, 1985.

Packer C, Pusey A. Asymmetric contests in social mammals: respect, manipulation and age specific aspects. In: Greenwood PJ, Slatkin M, editors. Evolution. Cambridge: Cambridge University Press; 1985.