APA (7th ed.) Citation

Pastijn, F. J., & Petrich, M. (1985). Regular semigroups as extensions. Pitman.

Chicago Style (17th ed.) Citation

Pastijn, Francis J., and Mario Petrich. Regular Semigroups as Extensions. Boston u.a: Pitman, 1985.

MLA (9th ed.) Citation

Pastijn, Francis J., and Mario Petrich. Regular Semigroups as Extensions. Pitman, 1985.