APA (7th ed.) Citation

Katzenstein, H. (1986). Direct marketing / Herbert Katzenstein, William S. Sachs. Merrill.

Chicago Style (17th ed.) Citation

Katzenstein, Herbert. Direct Marketing / Herbert Katzenstein, William S. Sachs. Columbus, Ohio: Merrill, 1986.

MLA (9th ed.) Citation

Katzenstein, Herbert. Direct Marketing / Herbert Katzenstein, William S. Sachs. Merrill, 1986.

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