APA (7th ed.) Citation

Speakman, J. C. (1968). A valency primer. Edward Arnold.

Chicago Style (17th ed.) Citation

Speakman, J. C. A Valency Primer. London: Edward Arnold, 1968.

MLA (9th ed.) Citation

Speakman, J. C. A Valency Primer. Edward Arnold, 1968.

Warning: These citations may not always be 100% accurate.