Schuster, W., & Marquard, R. A. (1992). Ölpflanzen in Europa. DLG-Verl.
Chicago Style (17th ed.) CitationSchuster, Walter, and Richard A. Marquard. Ölpflanzen in Europa. Frankfurt am Main: DLG-Verl, 1992.
MLA (9th ed.) CitationSchuster, Walter, and Richard A. Marquard. Ölpflanzen in Europa. DLG-Verl, 1992.
Warning: These citations may not always be 100% accurate.