APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

Sneddon, Ian N. Elements of Partial Differential Equations. 1957.