APA (7th ed.) Citation

Cartmell, E., & Fowles, G. W. A. (1956). Valency and Molecular Structure. Butterworths Scientific Publications.

Chicago Style (17th ed.) Citation

Cartmell, E., and G. W. A. Fowles. Valency and Molecular Structure. London: Butterworths Scientific Publications, 1956.

MLA (9th ed.) Citation

Cartmell, E., and G. W. A. Fowles. Valency and Molecular Structure. Butterworths Scientific Publications, 1956.