MLA

Palmatier, Robert W, Colleen M Harmeling, and V Kumar. Customer Engagement Marketing. Springer International Publishing, 2018.

APA

Palmatier, R. W, Harmeling, C. M, & Kumar, V. (2018). Customer Engagement Marketing. Springer International Publishing.

Chicago

Palmatier, Robert W., Colleen M Harmeling, and V Kumar. Customer Engagement Marketing. : Springer International Publishing, 2018.