APA (7th ed.) Citation
Smalley, G. a. P. (2006). the DNA of relationships for couples: Discover how these couples found new passion. Tyndale.
Chicago Style (17th ed.) Citation
Smalley, Greg and Paul. The DNA of Relationships for Couples: Discover How These Couples Found New Passion. Illinois: Tyndale, 2006.
MLA (9th ed.) Citation
Smalley, Greg and Paul. The DNA of Relationships for Couples: Discover How These Couples Found New Passion. Tyndale, 2006.
Warning: These citations may not always be 100% accurate.