Παραπομπή σε μορφή APA (7η εκδ.)

Ponca Tribe of Indians of Oklahoma & United States. Bureau of Indian Affairs. (1951). Constitution and bylaws of the Ponca Tribe of Indians, Oklahoma: Ratified September 20, 1950. U.S. G.P.O..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ponca Tribe of Indians of Oklahoma και United States. Bureau of Indian Affairs. Constitution and Bylaws of the Ponca Tribe of Indians, Oklahoma: Ratified September 20, 1950. Washington: U.S. G.P.O., 1951.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ponca Tribe of Indians of Oklahoma και United States. Bureau of Indian Affairs. Constitution and Bylaws of the Ponca Tribe of Indians, Oklahoma: Ratified September 20, 1950. U.S. G.P.O., 1951.