APA Edition Citation

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

Chicago Edition Citation

Duff, G. F. D. Partial Differential Equations. Toronto: University of Toronto Press, 1956.

MLA Edition Citation

Duff, G. F. D. Partial Differential Equations. University of Toronto Press, 1956.

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