APA (7th ed.) Citation

Werther, W. B., McClure, L., & Ruch, W. A. (1986). Productivity through people. West Pub.

Chicago Style (17th ed.) Citation

Werther, William B., Lynne McClure, and William A. Ruch. Productivity Through People. St. Paul, Minn: West Pub, 1986.

MLA (9th ed.) Citation

Werther, William B., et al. Productivity Through People. West Pub, 1986.