MLA

Lindbergh, Charles A. (Charles Augustus), 1902-1974. Portraits. Box 1, folder 1-11. Circa 1902-1949. https://collections.library.yale.edu/catalog/10013300.

APA, 6th edition

Lindbergh, Charles A. (Charles Augustus), 1902-1974. (["Box 1, folder 1-11"])(Circa 1902-1949)[Portraits]. https://collections.library.yale.edu/catalog/10013300.