Cite

F636. Selecting Coal From Fire.

MLA

McClintock, Walter, 1870-1949. F636. Selecting Coal From Fire.. Box 137, folder 6322. 1906 Spring. https://collections.library.yale.edu/catalog/10452006.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 137, folder 6322"])(1906 Spring)[F636. Selecting Coal From Fire.]. https://collections.library.yale.edu/catalog/10452006.