APA Style

Smalley, D, G. (2006). I Promise : How 5 Commitments Determine the Destiny of Your Marriage (ed. 1). U.S.A: Purpose Driven.

MLA Style

Smalley, Dr., Gary. "I Promise : How 5 Commitments Determine the Destiny of Your Marriage". ed. 1 U.S.A: Purpose Driven, 2006. Text.