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MLA

Grandfield, C.O, and Frank J Zink. "A Humidity-and Temperature-control Cabinet for Growing Plants." , 503-508.. Print

APA

Grandfield, C., & Zink, F. J. (0000). A Humidity-and Temperature-Control Cabinet for Growing Plants.

Chicago

Grandfield, C.O., and Frank J Zink. "A Humidity-and Temperature-Control Cabinet for Growing Plants" (1937): 503-508..