Cite

[Collection of promotional materials and other ephemera related to Silver Mountain Mines, Inc.].

MLA

Silver Mountain Mines, Inc. [Collection of Promotional Materials and Other Ephemera Related to Silver Mountain Mines, Inc.]. 1939. https://collections.library.yale.edu/catalog/17370664.

APA, 6th edition

Silver Mountain Mines, I. (1939). [Collection of promotional materials and other ephemera related to Silver Mountain Mines, Inc.]. [Correspondence, Receipts, Typescripts]. https://collections.library.yale.edu/catalog/17370664.