APA Citatie

Hampel, C. A., & Hawley, G. G. (1973). The Encyclopedia of chemistry (3d ed.). Van Nostrand Reinhold.

Chicago Style citaat

Hampel, Clifford A., en Gessner Goodrich Hawley. The Encyclopedia of Chemistry. 3d ed. New York: Van Nostrand Reinhold, 1973.

MLA citatie

Hampel, Clifford A., en Gessner Goodrich Hawley. The Encyclopedia of Chemistry. 3d ed. Van Nostrand Reinhold, 1973.