APA (7th ed.) Citation

Sharp D. W. A. (1990). The Penguin dictionary of chemistry (2nd ed.). Penguin.

Chicago Style (17th ed.) Citation

Sharp D. W. A. The Penguin Dictionary of Chemistry. 2nd ed. Penguin, 1990.

MLA (8th ed.) Citation

Sharp D. W. A. The Penguin Dictionary of Chemistry. 2nd ed. Penguin, 1990.