Lappert, M. F. (1972). Main group elements: Hydrogen and groups I-IV. Butterworths.
Chicago Style (17th ed.) CitationLappert, M. F. Main Group Elements: Hydrogen and Groups I-IV. London: Butterworths, 1972.
MLA (8th ed.) CitationLappert, M. F. Main Group Elements: Hydrogen and Groups I-IV. Butterworths, 1972.
Warning: These citations may not always be 100% accurate.