APA (7th ed.) Citation

Petrich, M., & Reilly, N. R. (1999). Completely regular semigroups. Wiley.

Chicago Style (17th ed.) Citation

Petrich, Mario, and Norman R. Reilly. Completely Regular Semigroups. New York: Wiley, 1999.

MLA (9th ed.) Citation

Petrich, Mario, and Norman R. Reilly. Completely Regular Semigroups. Wiley, 1999.