Cite

At Georgetown University

MLA

Lindbergh, Charles A. (Charles Augustus), 1902-1974. At Georgetown University. 20, folder 18. 1973 June. https://collections.library.yale.edu/catalog/10013347.

APA, 6th edition

Lindbergh, Charles A. (Charles Augustus), 1902-1974. (["20, folder 18"])(1973 June)[At Georgetown University]. https://collections.library.yale.edu/catalog/10013347.