APA (7th ed.) Citation

Roberts, M. L., & Berger, P. D. Direct marketing management (2nd ed.).

Chicago Style (17th ed.) Citation

Roberts, Mary Lou, and Paul D. Berger. Direct Marketing Management. 2nd ed.

MLA (9th ed.) Citation

Roberts, Mary Lou, and Paul D. Berger. Direct Marketing Management. 2nd ed.

Warning: These citations may not always be 100% accurate.