Cite

Charles A. Lindbergh, Pilot, MIL-HI Airways and Flying Circus, business card, Denver, 1925.

MLA

Charles A. Lindbergh, Pilot, MIL-HI Airways and Flying Circus, Business Card, Denver, 1925. 1925. https://collections.library.yale.edu/catalog/10013305.

APA, 6th edition

Charles A. Lindbergh, Pilot, MIL-HI Airways and Flying Circus, business card, Denver, 1925. (1925). [Paper]. https://collections.library.yale.edu/catalog/10013305.