MLA

Museum of Modern Art (New York, N.Y.), Willkie, Wendell L. (Wendell Lewis), 1892-1944. Airways to peace : an exhibition of geography for the future.. 1943 August. https://collections.library.yale.edu/catalog/10255881.

APA, 6th edition

Museum of Modern Art (New York, N.Y.), & Willkie, Wendell L. (Wendell Lewis), 1892-1944. (1943 August)[Airways to peace : an exhibition of geography for the future.]. https://collections.library.yale.edu/catalog/10255881.