APA (7th ed.) Citation

Keller, G., Warrack, B., & Bartel, H. (1988). Statistics for management and economics: A systematic approach. Wadsworth.

Chicago Style (17th ed.) Citation

Keller, Gerald, Brian Warrack, and Henry Bartel. Statistics for Management and Economics: A Systematic Approach. Belmont, CA: Wadsworth, 1988.

MLA (9th ed.) Citation

Keller, Gerald, et al. Statistics for Management and Economics: A Systematic Approach. Wadsworth, 1988.