APA (7th ed.) Citation

Collis,Jack. (2011). Work smarter not harder. Health Harmony.

Chicago Style (17th ed.) Citation

Collis,Jack. Work Smarter Not Harder. Delhi: Health Harmony, 2011.

MLA (9th ed.) Citation

Collis,Jack. Work Smarter Not Harder. Health Harmony, 2011.

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