Cita APA (7th ed.)
ebrary, Inc, & Hutton, K. B. (2006). Chemistry. Helicon.
Cita Chicago (17th ed.)
ebrary, Inc, i Keith B. Hutton. Chemistry. Abingdon, Oxon: Helicon, 2006.
Cita MLA (9th ed.)
ebrary, Inc, i Keith B. Hutton. Chemistry. Helicon, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.