APA (7th ed.) Citation

HarwoodlhRichard. (1998). Chemistry.

Chicago Style (17th ed.) Citation

HarwoodlhRichard. Chemistry. United KingdomlbCambridge University Press, 1998.

MLA (9th ed.) Citation

HarwoodlhRichard. Chemistry. 1998.

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