Cite

Pan American Airways Clipper

MLA

Lindbergh, Charles A. (Charles Augustus), 1902-1974. Pan American Airways Clipper. Box 50, folder 10. 1929 September. https://collections.library.yale.edu/catalog/10013931.

APA, 6th edition

Lindbergh, Charles A. (Charles Augustus), 1902-1974. (["Box 50, folder 10"])(1929 September)[Pan American Airways Clipper]. https://collections.library.yale.edu/catalog/10013931.