Xu, G., Peng, L., Hou, A., Yang, J., Han, Q., Xu, H., & Zhao, Q. (2008). Isolation, structural elucidation, and chemical transformation of interconvertible 8,12-hemiketal germacranolide sesquiterpenoids from Salvia castanea Diels f. tomentosa Stib. Tetrahedron, 64(40), 9490. https://doi.org/10.1016/j.tet.2008.07.074
Chicago Style (17th ed.) CitationXu, Gang, Li-Yan Peng, Ai-Jun Hou, Jing Yang, Quan-Bin Han, Hong-Xi Xu, and Qin-Shi Zhao. "Isolation, Structural Elucidation, and Chemical Transformation of Interconvertible 8,12-hemiketal Germacranolide Sesquiterpenoids from Salvia Castanea Diels F. Tomentosa Stib." Tetrahedron 64, no. 40 (2008): 9490. https://doi.org/10.1016/j.tet.2008.07.074.
MLA (9th ed.) CitationXu, Gang, et al. "Isolation, Structural Elucidation, and Chemical Transformation of Interconvertible 8,12-hemiketal Germacranolide Sesquiterpenoids from Salvia Castanea Diels F. Tomentosa Stib." Tetrahedron, vol. 64, no. 40, 2008, p. 9490, https://doi.org/10.1016/j.tet.2008.07.074.