APA (7th ed.) Citation

Pastijn, F. J., & Petrich, M. (1985). Regular semigroups as extensions (1. publ.). Pitman.

Chicago Style (17th ed.) Citation

Pastijn, Francis J., and Mario Petrich. Regular Semigroups as Extensions. 1. publ. Boston [u.a.]: Pitman, 1985.

MLA (9th ed.) Citation

Pastijn, Francis J., and Mario Petrich. Regular Semigroups as Extensions. 1. publ. Pitman, 1985.