APA (7th ed.) Citation

Mayo, G. D., & DuBois, P. H. The complete book of training theory, principles, and techniques.

Chicago Style (17th ed.) Citation

Mayo, G. Douglas, and Philip H. DuBois. The Complete Book of Training Theory, Principles, and Techniques.

MLA (8th ed.) Citation

Mayo, G. Douglas, and Philip H. DuBois. The Complete Book of Training Theory, Principles, and Techniques.

Warning: These citations may not always be 100% accurate.