APA (7th ed.) Citation
Sharp, D. (1990). The Penguin Dictionary of Chemistry (2.Edition.). Penguin Books.
Chicago Style (17th ed.) Citation
Sharp, D.W.A. The Penguin Dictionary of Chemistry. 2.Edition. London: Penguin Books, 1990.
MLA (9th ed.) Citation
Sharp, D.W.A. The Penguin Dictionary of Chemistry. 2.Edition. Penguin Books, 1990.
Warning: These citations may not always be 100% accurate.