APA (7th ed.) Citation

Lyndon, R. C., & Schupp, P. E. (1977). Combinatorial group theory. Springer-Verlag.

Chicago Style (17th ed.) Citation

Lyndon, Roger C., and Paul E. Schupp. Combinatorial Group Theory. Berlin ; New York: Springer-Verlag, 1977.

MLA (8th ed.) Citation

Lyndon, Roger C., and Paul E. Schupp. Combinatorial Group Theory. Springer-Verlag, 1977.