Cita APA (7th ed.)

Gallian, J. A. (1986). Contemporary abstract algebra. D.C. Heath.

Cita Chicago (17th ed.)

Gallian, Joseph A. Contemporary Abstract Algebra. Lexington: D.C. Heath, 1986.

Cita MLA (9th ed.)

Gallian, Joseph A. Contemporary Abstract Algebra. D.C. Heath, 1986.