APA (7th ed.) Citation

Goldstein, R. E. (1997). Change your smile (3. ed.). Quintessence Publ. Co.

Chicago Style (17th ed.) Citation

Goldstein, Ronald E. Change Your Smile. 3. ed. Chicago [u.a.]: Quintessence Publ. Co, 1997.

MLA (9th ed.) Citation

Goldstein, Ronald E. Change Your Smile. 3. ed. Quintessence Publ. Co, 1997.