**APA Citation**

Osterwalder, K. (1980). Mathematical Problems in Theoretical Physics: Proceedings of the International Conference on Mathematical Physics Held in Lausanne, Switzerland August 20–25, 1979 (1st ed. 1980.). Berlin, Heidelberg: Springer Berlin Heidelberg.

**Chicago Style Citation**

Osterwalder, K. Mathematical Problems in Theoretical Physics: Proceedings of the International Conference On Mathematical Physics Held in Lausanne, Switzerland August 20–25, 1979. 1st ed. 1980. Berlin, Heidelberg: Springer Berlin Heidelberg, 1980.

**MLA Citation**

Osterwalder, K. Mathematical Problems in Theoretical Physics: Proceedings of the International Conference On Mathematical Physics Held in Lausanne, Switzerland August 20–25, 1979. 1st ed. 1980. Berlin, Heidelberg: Springer Berlin Heidelberg, 1980.