APA (7th ed.) Citation

Collis, J., & LeBoeuf, M. (1988). Work smarter not harder: How to unlock your real potential. Goal Getting Seminars.

Chicago Style (17th ed.) Citation

Collis, Jack, and Michael LeBoeuf. Work Smarter Not Harder: How to Unlock Your Real Potential. Sydney,[NSW]: Goal Getting Seminars, 1988.

MLA (9th ed.) Citation

Collis, Jack, and Michael LeBoeuf. Work Smarter Not Harder: How to Unlock Your Real Potential. Goal Getting Seminars, 1988.