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MLA

Whitaker, Thomas W. (Thomas Wallace), Edward J Ryder, and Orin A. (Orin Aneil) Hills. "Lettuce and Its Production." , p.. Print

APA

Whitaker, T. W. (Thomas Wallace), Ryder, E. J, & Hills, O. A. (Orin Aneil). (1962). Lettuce and its production.

Chicago

Whitaker, Thomas W. (Thomas Wallace), Edward J Ryder, and Orin A. (Orin Aneil) Hills. "Lettuce and its production" (0000): p..