Cita APA (7a ed.)

Fallow, L., & Griffiths, D. (2010). Head first 2D geometry (1st edition.). O'Reilly.

Cita Chicago Style (17a ed.)

Fallow, Lindsey, y Dawn Griffiths. Head First 2D Geometry. 1st edition. Sebastopol, California: O'Reilly, 2010.

Cita MLA (9a ed.)

Fallow, Lindsey, y Dawn Griffiths. Head First 2D Geometry. 1st edition. O'Reilly, 2010.