APA (7th ed.) Citation

Besant, W. H. (1895). Conic sections treated geometrically (9. ed., rev and enl.). Bell.

Chicago Style (17th ed.) Citation

Besant, William H. Conic Sections Treated Geometrically. 9. ed., rev and enl. London: Bell, 1895.

MLA (9th ed.) Citation

Besant, William H. Conic Sections Treated Geometrically. 9. ed., rev and enl. Bell, 1895.