MLA

of the Ku Klux Klan, Women. Oath of Allegiance. s.n, 0AD. https://collections.library.yale.edu/catalog/2107180.

APA, 6th edition

of the Ku Klux Klan, W. (0 C.E.). Oath of allegiance [Ephemera, Loyalty oaths]. s.n. https://collections.library.yale.edu/catalog/2107180.