APA način citiranja (7. izdanje)

Gregg, D. C. (1968). Principles of chemistry (3d ed.). Allyn and Bacon.

Čikaški stil citiranja (17. izdanje)

Gregg, Donald Crowther. Principles of Chemistry. 3d ed. Boston: Allyn and Bacon, 1968.

MLA način citiranja (9. izdanje)

Gregg, Donald Crowther. Principles of Chemistry. 3d ed. Allyn and Bacon, 1968.