APA Citation

Petrich, M., & Petrich, M. (1964). Rings and semigroups. Berlín: Springer.

Chicago Style Citation

Petrich, Mario, and Mario Petrich. Rings and Semigroups. Berlín: Springer, 1964.

MLA Citation

Petrich, Mario, and Mario Petrich. Rings and Semigroups. Berlín: Springer, 1964.

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