Cite

Samuel F. Tappan papers relating to the Sand Creek Massacre, 1867-1953 (bulk 1867-1913).

MLA

Tappan, S. F. (Samuel Forster), -1913. Samuel F. Tappan papers relating to the Sand Creek Massacre, 1867-1953 (bulk 1867-1913).. https://collections.library.yale.edu/catalog/17258876.

APA, 6th edition

Tappan, S. F. (Samuel Forster), -1913. [Samuel F. Tappan papers relating to the Sand Creek Massacre, 1867-1953 (bulk 1867-1913).]. https://collections.library.yale.edu/catalog/17258876.