MLA

Accardi-Petersen, Michelle, and Bernard S Klopfer. Agile Marketing. Apress, 2011.

APA

Accardi-Petersen, M., & Klopfer, B. S. (2011). Agile Marketing. Apress.

Chicago

Accardi-Petersen, Michelle, and Bernard S Klopfer. Agile Marketing. : Apress, 2011.