Cita APA (7th ed.)
Thomson, R. D. (1854). Cyclopaedia of chemistry.
Cita Chicago (17th ed.)
Thomson, Robert Dundas. Cyclopaedia of Chemistry. London, 1854.
Cita MLA (9th ed.)
Thomson, Robert Dundas. Cyclopaedia of Chemistry. 1854.
Atenció: Aquestes cites poden no estar 100% correctes.