APA (7th ed.) Zitazioa

Sneddon, I. N. (1957). Elements of partial differential equations. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Sneddon, Ian N. Elements of Partial Differential Equations. New York: McGraw-Hill, 1957.

MLA (9th ed.) Zitazioa

Sneddon, Ian N. Elements of Partial Differential Equations. McGraw-Hill, 1957.