APA (7th ed.) Citation

Gelb, G. M., & Gelb, B. D. (1977). Insights for marketing management (2. ed.). Goodyear Publ. Co.

Chicago Style (17th ed.) Citation

Gelb, Gabriel M., and Betsy D. Gelb. Insights for Marketing Management. 2. ed. Santa Monica, Calif: Goodyear Publ. Co, 1977.

MLA (9th ed.) Citation

Gelb, Gabriel M., and Betsy D. Gelb. Insights for Marketing Management. 2. ed. Goodyear Publ. Co, 1977.