APA (7th ed.) Citation

Jurgensen, H., Petrich, M., & Weinert, H. J. (1981). Semigroups: Proceedings of a conference, held at Oberwolfach, Germany December 16-21, 1978. Springer-Verlag.

Chicago Style (17th ed.) Citation

Jurgensen, Helmut, Mario Petrich, and Hanns Joachim Weinert. Semigroups: Proceedings of a Conference, Held at Oberwolfach, Germany December 16-21, 1978. Berlin ; New York: Springer-Verlag, 1981.

MLA (9th ed.) Citation

Jurgensen, Helmut, et al. Semigroups: Proceedings of a Conference, Held at Oberwolfach, Germany December 16-21, 1978. Springer-Verlag, 1981.