Cita APA (7th ed.)
Schaeffer, E., & Francis. (1973). Everybody can know. Tndale H.P..
Cita Chicago (17th ed.)
Schaeffer, Edith, i Francis. Everybody Can Know. Illinois: Tndale H.P., 1973.
Cita MLA (9th ed.)
Schaeffer, Edith, i Francis. Everybody Can Know. Tndale H.P., 1973.
Atenció: Aquestes cites poden no estar 100% correctes.