Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Sneddon, Ian Naismith. Elements of Partial Differential Equations. Nueva York: McGraw-Hill, 1957.

Cita MLA (9th ed.)

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