Cita APA (7th ed.)

Yale, P. B. (1968). Geometry and symmetry. Holden-Day.

Cita Chicago (17th ed.)

Yale, Paul B. Geometry and Symmetry. San Francisco: Holden-Day, 1968.

Cita MLA (9th ed.)

Yale, Paul B. Geometry and Symmetry. Holden-Day, 1968.

Atenció: Aquestes cites poden no estar 100% correctes.