Cita APA (7th ed.)
Richardson, D. (1981). Eternity in their hearts. Regal Books.
Cita Chicago (17th ed.)
Richardson, Don. Eternity in Their Hearts. Ventura, CA, U.S.A.: Regal Books, 1981.
Cita MLA (9th ed.)
Richardson, Don. Eternity in Their Hearts. Regal Books, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.