El-Shazly, A., Hafez, S. S., & Wink, M. (2004). Comparative study of the essential oils and extracts of Achillea fragrantissima (Forssk.) Sch. Bip. and Achillea santoline L. (Asteraceae) from Egypt. Die Pharmazie, 59, .
Chicago Style (17th ed.) CitationEl-Shazly, Assem, Sabry S. Hafez, and Michael Wink. "Comparative Study of the Essential Oils and Extracts of Achillea Fragrantissima (Forssk.) Sch. Bip. and Achillea Santoline L. (Asteraceae) from Egypt." Die Pharmazie 59 (2004).
MLA (9th ed.) CitationEl-Shazly, Assem, et al. "Comparative Study of the Essential Oils and Extracts of Achillea Fragrantissima (Forssk.) Sch. Bip. and Achillea Santoline L. (Asteraceae) from Egypt." Die Pharmazie, vol. 59, 2004.
Warning: These citations may not always be 100% accurate.