APA (7th ed.) Citation

Duff, G. F. (1956). Partial differential equations. Univ. of Toronto Press.

Chicago Style (17th ed.) Citation

Duff, George F. Partial Differential Equations. Toronto: Univ. of Toronto Press, 1956.

MLA (9th ed.) Citation

Duff, George F. Partial Differential Equations. Univ. of Toronto Press, 1956.

Warning: These citations may not always be 100% accurate.