ScienceDirect (Online service) & Viljoen, A. (2022). South African herbal pharmacopeia: Monographs of medicinal and aromatic. Academic Press.
Chicago Style (17th ed.) CitationScienceDirect (Online service) and Alvaro Viljoen. South African Herbal Pharmacopeia: Monographs of Medicinal and Aromatic. London: Academic Press, 2022.
MLA (9th ed.) CitationScienceDirect (Online service) and Alvaro Viljoen. South African Herbal Pharmacopeia: Monographs of Medicinal and Aromatic. Academic Press, 2022.
Warning: These citations may not always be 100% accurate.