APA Edition Citation

Goursat, E., Hedrick, E., & Dunkel, O. (1917). Differential Equations. Ginn and Company.

Chicago Edition Citation

Goursat, Edouard, Earle Hedrick, and Otto Dunkel. Differential Equations. Boston: Ginn and Company, 1917.

MLA Edition Citation

Goursat, Edouard, et al. Differential Equations. Ginn and Company, 1917.