APA

Sneddon Ian N, . (1957). Elements of partial differential equations. New York McGraw-Hill Book Co., Inc: .

Chicago

Sneddon Ian N, . 1957. Elements of partial differential equations. New York McGraw-Hill Book Co., Inc: .

Harvard

Sneddon Ian N, . (1957). Elements of partial differential equations. New York McGraw-Hill Book Co., Inc: .

MLA

Sneddon Ian N, . Elements of partial differential equations. New York McGraw-Hill Book Co., Inc: . 1957.