Citazione APA

Oster, G. F., & Wilson, E. O. (1978). Caste and ecology in social insects. Princeton.

Stile di citazione Chicago

Oster, George F., e Edward. O. Wilson. Caste and Ecology in Social Insects. New Jersey: Princeton, 1978.

Citazione MLA

Oster, George F., e Edward. O. Wilson. Caste and Ecology in Social Insects. Princeton, 1978.