MLA

Bickhoff, Nils, Svend Hollensen, and Marc Opresnik. The Quintessence of Marketing. Springer Berlin Heidelberg, 2014.

APA

Bickhoff, N., Hollensen, S., & Opresnik, M. (2014). The Quintessence of Marketing. Springer Berlin Heidelberg.

Chicago

Bickhoff, Nils, Svend Hollensen, and Marc Opresnik. The Quintessence of Marketing. : Springer Berlin Heidelberg, 2014.