MLA

Janas, Jan, et al. Operator Methods In Mathematical Physics. Dordrecht: Springer Basel, 2013.

APA

Janas, J., Kurasov, P., Laptev, A., & Naboko, S. (2013). Operator Methods in Mathematical Physics. Dordrecht: Springer Basel.

Chicago

Janas, Jan, Pavel Kurasov, A Laptev, and Sergei Naboko. Operator Methods In Mathematical Physics. Dordrecht: Springer Basel, 2013.