Citazione APA

Cartmell, E., & Fowles, G. W. A. (1977). Valency and molecular structure. Butterworths.

Stile di citazione Chicago

Cartmell, E., e G W A. Fowles. Valency and Molecular Structure. London: Butterworths, 1977.

Citazione MLA

Cartmell, E., e G W A. Fowles. Valency and Molecular Structure. Butterworths, 1977.