Cita APA (7th ed.)
Smalley, G., & Trent, J. (1998). The language of love. Tyndale House.
Cita Chicago (17th ed.)
Smalley, Gary, i John Trent. The Language of Love. Illinois: Tyndale House, 1998.
Cita MLA (9th ed.)
Smalley, Gary, i John Trent. The Language of Love. Tyndale House, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.