Cite

30. [River and Conifers.]

MLA

McClintock, Walter, 1870-1949. 30. [River and Conifers.]. Box 70, folder 3909. 1905 1941. https://collections.library.yale.edu/catalog/2010715.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 70, folder 3909"])(1905 1941)[30. [River and Conifers.]]. https://collections.library.yale.edu/catalog/2010715.