APA (7th ed.) Citation

Martins, P. M., & Petrich, M. (2008). Unary semigroups with an associate subgroup.

Chicago Style (17th ed.) Citation

Martins, Paula Mendes, and Mario Petrich. Unary Semigroups with an Associate Subgroup. 2008.

MLA (8th ed.) Citation

Martins, Paula Mendes, and Mario Petrich. Unary Semigroups with an Associate Subgroup. 2008.

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