Gaya APA

Hampel, C, A., Hawley, G, G. (1973). Encyclopedia of Chemistry 3rd Edition, The (3rd ed.). New York: Van Nostrand Reinhold.

Gaya MLA

Hampel, Clifford, A.., Hawley, Gessner, G.. "Encyclopedia of Chemistry 3rd Edition, The". 3rd ed. New York: Van Nostrand Reinhold, 1973. Karya Cetak.