Cita APA

Cartmell, E., & fowles, G. W. A. (1977). Valency and molecular structure (Ed.4 /.).

Citación estilo Chicago

Cartmell, E., y G W A. fowles. Valency and Molecular Structure. Ed.4 /. London : ELBS, 1977.

Cita MLA

Cartmell, E., y G W A. fowles. Valency and Molecular Structure. Ed.4 /. 1977.