Citazione Stile APA (7a Edizione)

Gregg, D. C. (1958). Principles of chemistry. Allyn and Bacon.

Citazione stile Chigago Style (17a edizione)

Gregg, Donald Crowther. Principles of Chemistry. Boston: Allyn and Bacon, 1958.

Citatione MLA (9a ed.)

Gregg, Donald Crowther. Principles of Chemistry. Allyn and Bacon, 1958.