MLA

Lindbergh, Charles A. (Charles Augustus), 1902-1974. Infant years. 22, folder 1. Circa 1906-1910. https://collections.library.yale.edu/catalog/10011566.

APA, 6th edition

Lindbergh, Charles A. (Charles Augustus), 1902-1974. (["22, folder 1"])(Circa 1906-1910)[Infant years]. https://collections.library.yale.edu/catalog/10011566.