APA Citation

Porter, D. V., & Earl, R. O. (1990). Nutrition labeling: Issues and directions for the 1990s. Washington, D.C.: National Academy Press.

Chicago Style Citation

Porter, Donna Viola., and Robert O. Earl. Nutrition Labeling: Issues and Directions for the 1990s. Washington, D.C.: National Academy Press, 1990.

MLA Citation

Porter, Donna Viola., and Robert O. Earl. Nutrition Labeling: Issues and Directions for the 1990s. Washington, D.C.: National Academy Press, 1990.

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