Cita APA (7th ed.)
McCallum, M., & Hamblin, J. (1978). God's incredible plan. Fleming H. Revell.
Cita Chicago (17th ed.)
McCallum, Martha, i Jane Hamblin. God's Incredible Plan. New Jersey: Fleming H. Revell, 1978.
Cita MLA (9th ed.)
McCallum, Martha, i Jane Hamblin. God's Incredible Plan. Fleming H. Revell, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.