Cite

Airmail flights

MLA

Lindbergh, Charles A. (Charles Augustus), 1902-1974. Airmail flights. Box 4, folder 5. Circa 1926. https://collections.library.yale.edu/catalog/10013953.

APA, 6th edition

Lindbergh, Charles A. (Charles Augustus), 1902-1974. (["Box 4, folder 5"])(Circa 1926)[Airmail flights]. https://collections.library.yale.edu/catalog/10013953.