APA (7th ed.) Citation

Mullen, G. L., & Sellers, J. (2016). Abstract algebra: A gentle introduction. CRC Press.

Chicago Style (17th ed.) Citation

Mullen, Gary L., and James Sellers. Abstract Algebra: A Gentle Introduction. Boca Raton: CRC Press, 2016.

MLA (9th ed.) Citation

Mullen, Gary L., and James Sellers. Abstract Algebra: A Gentle Introduction. CRC Press, 2016.

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