Cite

421. [Prairie at Night.]

MLA

McClintock, Walter, 1870-1949. 421. [Prairie at Night.]. Box 62, folder 3144. 1940. https://collections.library.yale.edu/catalog/2009226.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 62, folder 3144"])(1940)[421. [Prairie at Night.]]. https://collections.library.yale.edu/catalog/2009226.