Cite

F1577c. North from Piegan Pass.

MLA

McClintock, Walter, 1870-1949. F1577c. North from Piegan Pass.. Box 144, folder 7381. 1915. https://collections.library.yale.edu/catalog/10453079.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 144, folder 7381"])(1915)[F1577c. North from Piegan Pass.]. https://collections.library.yale.edu/catalog/10453079.