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MLA

Crawley, Howard, et al. "The Protozoan Parasites of Domesticated Animals." , [34]. Print

APA

Crawley, H., United States, U. States, Department of Agriculture, D. of Agriculture, & Bureau of Animal Industry, B. of Animal Industry. (1912). The protozoan parasites of domesticated animals.

Chicago

Crawley, Howard, United States, Department of Agriculture, and Bureau of Animal Industry. "The protozoan parasites of domesticated animals" (0000): [34].