APA (7th ed.) Citation

Dunstan, D., Howard, B., Healy, G., & Owen, N. (2012). Too much sitting - A health hazard.

Chicago Style (17th ed.) Citation

Dunstan, D., B. Howard, Genevieve Healy, and N. Owen. Too Much Sitting - A Health Hazard. 2012.

MLA (9th ed.) Citation

Dunstan, D., et al. Too Much Sitting - A Health Hazard. 2012.