MLA

Stenzel, Franz (1906-1998). York Factory in Ruperts Land, Hudson's Bay Company. Five shilling note, signed by H. Smith, Secretary and Wm. Williams, Governor. Box 54, folder 1053. 1820 May 11. https://collections.library.yale.edu/catalog/17232937.

APA, 6th edition

Stenzel, Franz (1906-1998). (["Box 54, folder 1053"])(1820 May 11)[York Factory in Ruperts Land, Hudson's Bay Company. Five shilling note, signed by H. Smith, Secretary and Wm. Williams, Governor]. https://collections.library.yale.edu/catalog/17232937.