APA (7th ed.) Zitazioa

Gregory, J. (1980). Quadratic form theory and differential equations. Academic Press.

Chicago Style (17th ed.) Zitazioa

Gregory, John. Quadratic Form Theory and Differential Equations. Nueva York: Academic Press, 1980.

MLA (9th ed.) Zitazioa

Gregory, John. Quadratic Form Theory and Differential Equations. Academic Press, 1980.