APA

Smalley G., . (2000). Secrets to lasting love. New York: Simon Schuster.

Chicago

Smalley Gary, . 2000. Secrets to lasting love. New York: Simon Schuster.

Harvard

Smalley G., . (2000). Secrets to lasting love. New York: Simon Schuster.

MLA

Smalley Gary, . Secrets to lasting love. New York: Simon Schuster. 2000.