NALDC

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MLA

United States Department of Agriculture, D. E Salmon, and United States Bureau of Animal Industry. Preventive vaccination against blackleg. U.S. Dept. of Agriculture, Bureau of Animal Industry, 1897.

APA

United States Department of Agriculture, Salmon, D. E, and United States Bureau of Animal Industry. (1897). Preventive vaccination against blackleg. U.S. Dept. of Agriculture, Bureau of Animal Industry.

Chicago

United States Department of Agriculture, D. E Salmon, United States Bureau of Animal Industry, and United States Department of Agriculture. Preventive vaccination against blackleg. U.S. Dept. of Agriculture, Bureau of Animal Industry, 1897.