APA (7th ed.) Citation

Gallian,Joseph A. (2017). Contemporary abstract algebra (9th.). Cengage.

Chicago Style (17th ed.) Citation

Gallian,Joseph A. Contemporary Abstract Algebra. 9th. Australia: Cengage, 2017.

MLA (9th ed.) Citation

Gallian,Joseph A. Contemporary Abstract Algebra. 9th. Cengage, 2017.

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