Price, S., Foreword by Price, S., & Price, L. (1999). Aromatherapy for health professionals (2nd ed.). Churchill Livingstone.
Chicago-Zitierstil (17. Ausg.)Price, Shirley, Shirley Foreword by Price, und Len Price. Aromatherapy for Health Professionals. 2nd ed. Edinburgh: Churchill Livingstone, 1999.
MLA-Zitierstil (9. Ausg.)Price, Shirley, et al. Aromatherapy for Health Professionals. 2nd ed. Churchill Livingstone, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.