Citazione Stile APA (7a Edizione)

National Research Council (U.S.). Subcommittee on Sheep Nutrition. (1985). Nutrient requirements of sheep (6th rev. ed.). National Academy Press.

Citazione stile Chigago Style (17a edizione)

National Research Council (U.S.). Subcommittee on Sheep Nutrition. Nutrient Requirements of Sheep. 6th rev. ed. Washington, D.C.: National Academy Press, 1985.

Citatione MLA (9a ed.)

National Research Council (U.S.). Subcommittee on Sheep Nutrition. Nutrient Requirements of Sheep. 6th rev. ed. National Academy Press, 1985.