MLA

Minick, Roger. Pear Pruning, 1967. Scrimshaw Press, 1969. https://collections.library.yale.edu/catalog/2001370.

APA, 6th edition

Minick, R. (1969). Pear pruning, 1967 [Illustrations, Photographs]. Scrimshaw Press. https://collections.library.yale.edu/catalog/2001370.