MLA

Karnakov, Boris Mikhailovich, and Vladimir Pavlovich Krainov. Wkb Approximation In Atomic Physics. Dordrecht: Springer Berlin Heidelberg, 2013.

APA

Karnakov, B. Mikhailovich, & Krainov, V. Pavlovich. (2013). WKB Approximation in Atomic Physics. Dordrecht: Springer Berlin Heidelberg.

Chicago

Karnakov, Boris Mikhailovich, and Vladimir Pavlovich Krainov. WKB Approximation In Atomic Physics. Dordrecht: Springer Berlin Heidelberg, 2013.