Cita APA (7th ed.)

Institute of Medicine (U.S.). Committee on the Nutrition Components of Food Labeling, Porter, D. V., & Earl, R. O. (1990). Nutrition labeling: Issues and directions for the 1990s. National Academy Press.

Cita Chicago (17th ed.)

Institute of Medicine (U.S.). Committee on the Nutrition Components of Food Labeling, Donna Viola Porter, i Robert O. Earl. Nutrition Labeling: Issues and Directions for the 1990s. Washington, D.C.: National Academy Press, 1990.

Cita MLA (9th ed.)

Institute of Medicine (U.S.). Committee on the Nutrition Components of Food Labeling, et al. Nutrition Labeling: Issues and Directions for the 1990s. National Academy Press, 1990.