APA (7th ed.) Citation

Godefroy, C. H., & Clark, J. (1991). The complete time management system. Piatkus.

Chicago Style (17th ed.) Citation

Godefroy, Christian H., and John Clark. The Complete Time Management System. London: Piatkus, 1991.

MLA (9th ed.) Citation

Godefroy, Christian H., and John Clark. The Complete Time Management System. Piatkus, 1991.

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