APA (7th ed.) Citation

International Organization for Standardization. (1978). International standards for essential oils (2nd edition.). International Organization for Standization.

Chicago Style (17th ed.) Citation

International Organization for Standardization. International Standards for Essential Oils. 2nd edition. Geneva: International Organization for Standization, 1978.

MLA (9th ed.) Citation

International Organization for Standardization. International Standards for Essential Oils. 2nd edition. International Organization for Standization, 1978.