APA (7th ed.) Citation

Walls, H., Stevenson, C., Mannan, H., Abdullah, A., Reid, C., McNeil, J., & Peeters, A. (2011). Comparing trends in BMI and waist circumference.

Chicago Style (17th ed.) Citation

Walls, H., C. Stevenson, H. Mannan, A. Abdullah, Christopher Reid, J. McNeil, and A. Peeters. Comparing Trends in BMI and Waist Circumference. 2011.

MLA (9th ed.) Citation

Walls, H., et al. Comparing Trends in BMI and Waist Circumference. 2011.