Cita APA (7th ed.)
Kreeft, . J. P. (1979). Love is stronger than death. Harper & Row.
Cita Chicago (17th ed.)
Kreeft, J. Peter. Love Is Stronger than Death. San Francisco: Harper & Row, 1979.
Cita MLA (9th ed.)
Kreeft, J. Peter. Love Is Stronger than Death. Harper & Row, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.