APA цитиране

Porter, D. V., & Earl, R. O. (1992). Food labeling: Toward national uniformity. Washington, D.C.: National Academy Press.

Чикагска система за цитиране

Porter, Donna Viola., и Robert O. Earl. Food Labeling: Toward National Uniformity. Washington, D.C.: National Academy Press, 1992.

MLA формат за цитиране

Porter, Donna Viola., и Robert O. Earl. Food Labeling: Toward National Uniformity. Washington, D.C.: National Academy Press, 1992.