Cite

Georgia O'Keeffe : exhibition of oils and pastels, February 3-March 17, 1940.

MLA

O'Keeffe, Georgia, 1887-1986. Georgia O'Keeffe : exhibition of oils and pastels, February 3-March 17, 1940.. [1940]. https://collections.library.yale.edu/catalog/15818081.

APA, 6th edition

O'Keeffe, Georgia, 1887-1986. ([1940])[Georgia O'Keeffe : exhibition of oils and pastels, February 3-March 17, 1940.]. https://collections.library.yale.edu/catalog/15818081.