Cita APA (7a ed.)

Cartmell, E., & Fowles, G. (1960). Valency and molecular structure (6th ed.). Butterworths.

Cita Chicago Style (17a ed.)

Cartmell, E., y G.W.A Fowles. Valency and Molecular Structure. 6th ed. London: Butterworths, 1960.

Cita MLA (9a ed.)

Cartmell, E., y G.W.A Fowles. Valency and Molecular Structure. 6th ed. Butterworths, 1960.