Cita APA (7a ed.)

Lewis, H. 1. (1964). Geometry, a contemporary course. Van Nostrand Reinhold.

Cita Chicago Style (17a ed.)

Lewis, Harry 1917. Geometry, a Contemporary Course. Princeton: Van Nostrand Reinhold, 1964.

Cita MLA (9a ed.)

Lewis, Harry 1917. Geometry, a Contemporary Course. Van Nostrand Reinhold, 1964.