APA-Zitierstil (7. Ausg.)

Variyam, J. N., & Cawley, J. H. (2006). Nutrition labels and obesity. National Bureau of Economic Research.

Chicago-Zitierstil (17. Ausg.)

Variyam, Jayachandran N., und John H. Cawley. Nutrition Labels and Obesity. Cambridge, Mass: National Bureau of Economic Research, 2006.

MLA-Zitierstil (9. Ausg.)

Variyam, Jayachandran N., und John H. Cawley. Nutrition Labels and Obesity. National Bureau of Economic Research, 2006.