APA (7th ed.) Zitazioa

RICHARDS, J. H. (1967). Elements of organic chemistry. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

RICHARDS, John H. Elements of Organic Chemistry. New York: McGraw-Hill, 1967.

MLA (9th ed.) Zitazioa

RICHARDS, John H. Elements of Organic Chemistry. McGraw-Hill, 1967.