Ambrotype in a case, of an unidentified Native American or Chicano man, and a man identified as Dan Showalter
MLA
Palmquist, Peter E. (1936-2003). Ambrotype in a case, of an unidentified Native American or Chicano man, and a man identified as Dan Showalter. Box 19, folder 183. circa 1860. https://collections.library.yale.edu/catalog/10600013.
APA, 6th edition
Palmquist, Peter E. (1936-2003). (["Box 19, folder 183"])(circa 1860)[Ambrotype in a case, of an unidentified Native American or Chicano man, and a man identified as Dan Showalter]. https://collections.library.yale.edu/catalog/10600013.