APA (7th ed.) Citation

Gallian, J. A. (2017). Contemporary abstract algebra (Ninth editon.). Cengage Learning.

Chicago Style (17th ed.) Citation

Gallian, Joseph A. Contemporary Abstract Algebra. Ninth editon. Boston, MA: Cengage Learning, 2017.

MLA (9th ed.) Citation

Gallian, Joseph A. Contemporary Abstract Algebra. Ninth editon. Cengage Learning, 2017.

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