MLA

Boeyens, Jan; Comba, Peter, and Peter Comba. Electronic Structure and Number Theory. Springer Berlin Heidelberg, 2013.

APA

Boeyens, P., & Comba, P. (2013). Electronic Structure and Number Theory. Springer Berlin Heidelberg.

Chicago

Boeyens, Jan; Comba, Peter, and Peter Comba. Electronic Structure and Number Theory. : Springer Berlin Heidelberg, 2013.