Cite

In Detroit, Michigan, at the Ford factory

MLA

Lindbergh, Charles A. (Charles Augustus), 1902-1974. In Detroit, Michigan, at the Ford factory. Box 6, folder 19. 1927 August 11. https://collections.library.yale.edu/catalog/10013920.

APA, 6th edition

Lindbergh, Charles A. (Charles Augustus), 1902-1974. (["Box 6, folder 19"])(1927 August 11)[In Detroit, Michigan, at the Ford factory]. https://collections.library.yale.edu/catalog/10013920.