توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Iowa Tribe of Kansas and Nebraska & United States. Office of Indian Affairs. (1937). Corporate charter of the Iowa Tribe of the Iowa Reservation in Kansas and Nebraska: Ratified June 19, 1937. U.S. G.P.O..

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Iowa Tribe of Kansas and Nebraska و United States. Office of Indian Affairs. Corporate Charter of the Iowa Tribe of the Iowa Reservation in Kansas and Nebraska: Ratified June 19, 1937. Washington: U.S. G.P.O., 1937.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Iowa Tribe of Kansas and Nebraska و United States. Office of Indian Affairs. Corporate Charter of the Iowa Tribe of the Iowa Reservation in Kansas and Nebraska: Ratified June 19, 1937. U.S. G.P.O., 1937.