Cite

At Reserve Officer Training Corps

MLA

Lindbergh, Charles A. (Charles Augustus), 1902-1974. At Reserve Officer Training Corps. Box 3, folder 14. Circa 1921. https://collections.library.yale.edu/catalog/10013302.

APA, 6th edition

Lindbergh, Charles A. (Charles Augustus), 1902-1974. (["Box 3, folder 14"])(Circa 1921)[At Reserve Officer Training Corps]. https://collections.library.yale.edu/catalog/10013302.