Cita APA (7th ed.)

Tisserand, R., Balacs , T., & Foreword by Caldwell , J. (1995). Essential oil safety: A guide for health care professionals. Churchill Livingstone.

Cita Chicago (17th ed.)

Tisserand, Robert, Tony Balacs , i John Foreword by Caldwell. Essential Oil Safety: A Guide for Health Care Professionals. Edinburgh: Churchill Livingstone, 1995.

Cita MLA (9th ed.)

Tisserand, Robert, et al. Essential Oil Safety: A Guide for Health Care Professionals. Churchill Livingstone, 1995.