MLA

Lindbergh, Charles A. (Charles Augustus), 1902-1974. Images compiled by Warner Brothers research department. Box 4, folder 6-7. Circa 1926-1927. https://collections.library.yale.edu/catalog/10011478.

APA, 6th edition

Lindbergh, Charles A. (Charles Augustus), 1902-1974. (["Box 4, folder 6-7"])(Circa 1926-1927)[Images compiled by Warner Brothers research department]. https://collections.library.yale.edu/catalog/10011478.