Philipsburg, Montana (CP-2044)
MLA
Plowden, David (1932). Philipsburg, Montana (CP-2044). Box 47. 1973. https://collections.library.yale.edu/catalog/2041032.
APA, 6th edition
Plowden, David (1932). (["Box 47"])(1973)[Philipsburg, Montana (CP-2044)]. https://collections.library.yale.edu/catalog/2041032.