466a, 557. [Snow-covered Conifer Forest.]
MLA
McClintock, Walter, 1870-1949. 466a, 557. [Snow-covered Conifer Forest.]. Box 73, folder 4156. 1905 1941. https://collections.library.yale.edu/catalog/2010858.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 73, folder 4156"])(1905 1941)[466a, 557. [Snow-covered Conifer Forest.]]. https://collections.library.yale.edu/catalog/2010858.