APA (7th ed.) Citation

Sen, D. (1964). Geometry & co-ordinate Geometry. Educational Pub. Co.

Chicago Style (17th ed.) Citation

Sen, D. Geometry & Co-ordinate Geometry. Bombay: Educational Pub. Co, 1964.

MLA (9th ed.) Citation

Sen, D. Geometry & Co-ordinate Geometry. Educational Pub. Co, 1964.