APA Edition Citation

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

Chicago Edition Citation

Pastijn, F J., and M. Petrich. Regular Semigroups as Extensions. Pitman Advanced Publishing Program, Boston, 1985.

MLA Edition Citation

Pastijn, F J., and M. Petrich. Regular Semigroups as Extensions. 1985.

Warning: These citations may not always be 100% accurate.