APA (7th ed.) Citation

Cobb, D. F., Cobb, S., & Cobb, G. B. (1986). Douglas Cobb's 1-2-3 handbook. Cobb Group.

Chicago Style (17th ed.) Citation

Cobb, Douglas Ford, Steven Cobb, and Gena Berg Cobb. Douglas Cobb's 1-2-3 Handbook. Louisville, Ky.: Cobb Group, 1986.

MLA (9th ed.) Citation

Cobb, Douglas Ford, et al. Douglas Cobb's 1-2-3 Handbook. Cobb Group, 1986.