Cartmell, E., & Fowles, G. W. A. (1977). Valency and molecular structure / (by) E. Cartmell and G.W.A. Fowles (4th ed.). Butterworth.
Chicago Style (17th ed.) CitationCartmell, E., and Gerald Wilfred Albert Fowles. Valency and Molecular Structure / (by) E. Cartmell and G.W.A. Fowles. 4th ed. London (etc.): Butterworth, 1977.
MLA (9th ed.) CitationCartmell, E., and Gerald Wilfred Albert Fowles. Valency and Molecular Structure / (by) E. Cartmell and G.W.A. Fowles. 4th ed. Butterworth, 1977.
Warning: These citations may not always be 100% accurate.