MLA

Lindbergh, Charles A. (Charles Augustus), 1902-1974. Morrow family groups and trips, 1948-1953. Box 37, folder 13. 1948-1953. https://collections.library.yale.edu/catalog/10014638.

APA, 6th edition

Lindbergh, Charles A. (Charles Augustus), 1902-1974. (["Box 37, folder 13"])(1948-1953)[Morrow family groups and trips, 1948-1953]. https://collections.library.yale.edu/catalog/10014638.