APA

Subcommitee on Dairy Cattle Nutrition, Commitee on Animal Nutrition, Board on Agriculture and Natural Resources & National Research Council. (2001). Nutrient requirements of dairy cattle. Washington D.C:, USA: National Academy Press.

Chicago

Subcommitee on Dairy Cattle Nutrition, Commitee on Animal Nutrition, Board on Agriculture and Natural Resources and National Research Council. 2001. Nutrient requirements of dairy cattle. Washington D.C:, USA: National Academy Press.

Harvard

Subcommitee on Dairy Cattle Nutrition, Commitee on Animal Nutrition, Board on Agriculture and Natural Resources and National Research Council. (2001). Nutrient requirements of dairy cattle. Washington D.C:, USA: National Academy Press.

MLA

Subcommitee on Dairy Cattle Nutrition, Commitee on Animal Nutrition, Board on Agriculture and Natural Resources and National Research Council. Nutrient requirements of dairy cattle. Washington D.C:, USA: National Academy Press. 2001.