APA (7th ed.) Citation

Bucur, I., Deleanu, A., & Hilton, P. (1968). Introduction to the theory of categories and functors. Wiley.

Chicago Style (17th ed.) Citation

Bucur, Ionel, Aristide Deleanu, and Peter Hilton. Introduction to the Theory of Categories and Functors. London ; New York: Wiley, 1968.

MLA (8th ed.) Citation

Bucur, Ionel, et al. Introduction to the Theory of Categories and Functors. Wiley, 1968.