APA (7th ed.) Citation

Gross, A. (1961). Sales promotion: Principles and methods for intensifying marketing effort (2d ed.). Ronald Press Co..

Chicago Style (17th ed.) Citation

Gross, Alfred. Sales Promotion: Principles and Methods for Intensifying Marketing Effort. 2d ed. New York: Ronald Press Co., 1961.

MLA (9th ed.) Citation

Gross, Alfred. Sales Promotion: Principles and Methods for Intensifying Marketing Effort. 2d ed. Ronald Press Co., 1961.