MLA

Lindbergh, Charles A. (Charles Augustus), 1902-1974. Handbills. Box 515, folder 46. Circa 1920s. https://collections.library.yale.edu/catalog/10013975.

APA, 6th edition

Lindbergh, Charles A. (Charles Augustus), 1902-1974. (["Box 515, folder 46"])(Circa 1920s)[Handbills]. https://collections.library.yale.edu/catalog/10013975.