Cita APA

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

Citación estilo Chicago

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

Cita MLA

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