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MLA

Graybill, Harry Webster, and William Penn Ellenberger. "Directions for Constructing Vats and Dipping Cattle to Destroy Ticks." , p.. Print

APA

Graybill, H. Webster, & Ellenberger, W. Penn. (1915). Directions for constructing vats and dipping cattle to destroy ticks.

Chicago

Graybill, Harry Webster, and William Penn Ellenberger. "Directions for constructing vats and dipping cattle to destroy ticks" (0000): p..