Circular letter from American Association for the United Nations to Walter White

Chicago citation style
American Association for the United Nations. Circular letter from American Association for the United Nations to Walter White. 1946-05-09. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b111-i273. (Accessed December 13, 2018.)
APA citation style
American Association for the United Nations, (1946-05-09) Circular letter from American Association for the United Nations to Walter White. Retrieved from the Digital Public Library of America, http://credo.library.umass.edu/view/full/mums312-b111-i273
MLA citation style
American Association for the United Nations. Retrieved from the Digital Public Library of America <http://credo.library.umass.edu/view/full/mums312-b111-i273>.
Note: These citations are programmatically generated and may be incomplete.