APA (7th ed.) Citation

Roth, W., Ryder, J., & Voehl, F. (1996). Problem solving for result. St. Lucie Press.

Chicago Style (17th ed.) Citation

Roth, William, James Ryder, and Frank Voehl. Problem Solving for Result. Delray Beach, Fla: St. Lucie Press, 1996.

MLA (9th ed.) Citation

Roth, William, et al. Problem Solving for Result. St. Lucie Press, 1996.