Cite

Lewis, C. S. (Clive Staples)

MLA

Betjeman, John, 1906-1984. Lewis, C. S. (Clive Staples). Box 1, folder 56. 1936, undated. https://collections.library.yale.edu/catalog/16612866.

APA, 6th edition

Betjeman, John, 1906-1984. (["Box 1, folder 56"])(1936, undated)[Lewis, C. S. (Clive Staples)]. https://collections.library.yale.edu/catalog/16612866.