ScienceDirect (Online service) & Andreev, B. M. (2007). Separation of isotopes of biogenic elements. Elsevier.
Chicago Style (17th ed.) CitationScienceDirect (Online service) and B. M. Andreev. Separation of Isotopes of Biogenic Elements. Amsterdam ; Oxford: Elsevier, 2007.
MLA (9th ed.) CitationScienceDirect (Online service) and B. M. Andreev. Separation of Isotopes of Biogenic Elements. Elsevier, 2007.
Warning: These citations may not always be 100% accurate.