Cite

Seibert, Colorado (CP-932)

MLA

Plowden, David (1932). Seibert, Colorado (CP-932). Box 45. 1973. https://collections.library.yale.edu/catalog/2041012.

APA, 6th edition

Plowden, David (1932). (["Box 45"])(1973)[Seibert, Colorado (CP-932)]. https://collections.library.yale.edu/catalog/2041012.