APA (7th ed.) Zitazioa

Spain, B. (1960). Analytical quadratics. Pergamon Press.

Chicago Style (17th ed.) Zitazioa

Spain, Barry. Analytical Quadratics. Nueva York: Pergamon Press, 1960.

MLA (9th ed.) Zitazioa

Spain, Barry. Analytical Quadratics. Pergamon Press, 1960.