APA (7th ed.) Citation

Cartmell, E., & Fowles, G. W. (1977). Valency and molecular structure (4. ed.). Butterworth.

Chicago Style (17th ed.) Citation

Cartmell, Edward, and Gerald W. Fowles. Valency and Molecular Structure. 4. ed. London u.a: Butterworth, 1977.

MLA (9th ed.) Citation

Cartmell, Edward, and Gerald W. Fowles. Valency and Molecular Structure. 4. ed. Butterworth, 1977.