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MLA

C.F. Langworthy, 1853-1929 Alfred Charles True, and United States Department of Agriculture. "The Functions and Uses of Food." , online. Print

APA

C.F. Langworthy, C. Langworthy, 1853-1929 Alfred Charles True, 1. Alfred Charles True, & United States Department of Agriculture, U. States Department of Agriculture. (1904). The Functions and uses of food.

Chicago

C.F. Langworthy, 1853-1929 Alfred Charles True, and United States Department of Agriculture. "The Functions and uses of food" (1904): online.