APA (7th ed.) Citation

Mock, D. W., & Parker, G. (1997). The evolution of sibling rivalry. Oxford University Press.

Chicago Style (17th ed.) Citation

Mock, Douglas W., and Geoffrey Parker. The Evolution of Sibling Rivalry. New York: Oxford University Press, 1997.

MLA (8th ed.) Citation

Mock, Douglas W., and Geoffrey Parker. The Evolution of Sibling Rivalry. Oxford University Press, 1997.