APA (7th ed.) Citation

Collis, J. (1990). Work smarter not harder. Synergy Books International.

Chicago Style (17th ed.) Citation

Collis, Jack. Work Smarter Not Harder. Kualau Lumpur: Synergy Books International, 1990.

MLA (8th ed.) Citation

Collis, Jack. Work Smarter Not Harder. Synergy Books International, 1990.

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