Cita APA

Speakman, J. C. (1956). An introduction to the electronic theory of valency (3. ed.). London: Edward Arnold.

Citación estilo Chicago

Speakman, J. C. An Introduction to the Electronic Theory of Valency. 3. ed. London: Edward Arnold, 1956.

Cita MLA

Speakman, J. C. An Introduction to the Electronic Theory of Valency. 3. ed. London: Edward Arnold, 1956.