Cite

Flying sailplane

MLA

Lindbergh, Charles A. (Charles Augustus), 1902-1974. Flying sailplane. Box 10, folder 6. Circa 1930. https://collections.library.yale.edu/catalog/10013257.

APA, 6th edition

Lindbergh, Charles A. (Charles Augustus), 1902-1974. (["Box 10, folder 6"])(Circa 1930)[Flying sailplane]. https://collections.library.yale.edu/catalog/10013257.