APA (7th ed.) Citation

Eigen, L. D., & Siegel, J. P. (1989). The Manager's book of quotations. American Management Association.

Chicago Style (17th ed.) Citation

Eigen, Lewis D., and Jonathan P. Siegel. The Manager's Book of Quotations. New York, NY: American Management Association, 1989.

MLA (9th ed.) Citation

Eigen, Lewis D., and Jonathan P. Siegel. The Manager's Book of Quotations. American Management Association, 1989.