Sanderson, Edward Lancelot; Sanderson, Helen
MLA
Conrad, Joseph, 1857-1924. Sanderson, Edward Lancelot; Sanderson, Helen. Box 33. 1896-1922. https://collections.library.yale.edu/catalog/16632401.
APA, 6th edition
Conrad, Joseph, 1857-1924. (["Box 33"])(1896-1922)[Sanderson, Edward Lancelot; Sanderson, Helen]. https://collections.library.yale.edu/catalog/16632401.