APA (7th ed.) Zitazioa

Hart, W. L. R. (1938). College algebra. D.C. Heath.

Chicago Style (17th ed.) Zitazioa

Hart, William Le Roy. College Algebra. Boston: D.C. Heath, 1938.

MLA (9th ed.) Zitazioa

Hart, William Le Roy. College Algebra. D.C. Heath, 1938.