APA (7th ed.) Citation

Holtz, H. (1986). The direct marketer's workbook. Wiley.

Chicago Style (17th ed.) Citation

Holtz, Herman. The Direct Marketer's Workbook. New York: Wiley, 1986.

MLA (9th ed.) Citation

Holtz, Herman. The Direct Marketer's Workbook. Wiley, 1986.