APA (7th ed.) Citation

Ryman, D. (1984). The aromatherapy handbook: The secret healing power of essential oils (1. publ.). Century Publ.

Chicago Style (17th ed.) Citation

Ryman, Danièle. The Aromatherapy Handbook: The Secret Healing Power of Essential Oils. 1. publ. London: Century Publ, 1984.

MLA (9th ed.) Citation

Ryman, Danièle. The Aromatherapy Handbook: The Secret Healing Power of Essential Oils. 1. publ. Century Publ, 1984.

Warning: These citations may not always be 100% accurate.