Cite

Stevenson, M. I. (Margaret Isabella)

MLA

Stevenson, Robert Louis, 1850-1894. Stevenson, M. I. (Margaret Isabella). Box 6, folder 97-98. 1881-1893, undated. https://collections.library.yale.edu/catalog/16618679.

APA, 6th edition

Stevenson, Robert Louis, 1850-1894. (["Box 6, folder 97-98"])(1881-1893, undated)[Stevenson, M. I. (Margaret Isabella)]. https://collections.library.yale.edu/catalog/16618679.