Cita APA (7th ed.)

(1949). Adult education bulletin. Nat. Edu. Ass..

Cita Chicago (17th ed.)

Adult Education Bulletin. New York: Nat. Edu. Ass., 1949.

Cita MLA (8th ed.)

Adult Education Bulletin. Nat. Edu. Ass., 1949.

Atenció: Aquestes cites poden no estar 100% correctes.