APA (7th ed.) Citation
Cartmell, E., & Fowles, G. W. A. (1961). Valency and molecular structure (2d. ed.). Butterworths.
Chicago Style (17th ed.) Citation
Cartmell, E., and G. W. A. Fowles. Valency and Molecular Structure. 2d. ed. London: Butterworths, 1961.
MLA (9th ed.) Citation
Cartmell, E., and G. W. A. Fowles. Valency and Molecular Structure. 2d. ed. Butterworths, 1961.
Warning: These citations may not always be 100% accurate.