APA (7th ed.) Citation

Salmon, G. (1954). A treatise on conic sections (6th ed.). Chelsea Publ..

Chicago Style (17th ed.) Citation

Salmon, George. A Treatise on Conic Sections. 6th ed. New York: Chelsea Publ., 1954.

MLA (9th ed.) Citation

Salmon, George. A Treatise on Conic Sections. 6th ed. Chelsea Publ., 1954.