Cita APA (7a ed.)

Barnes, J. (2012). Gems of Geometry (2nd ed. 2012.). Springer Berlin Heidelberg : Imprint: Springer.

Cita Chicago Style (17a ed.)

Barnes, John. Gems of Geometry. 2nd ed. 2012. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2012.

Cita MLA (8a ed.)

Barnes, John. Gems of Geometry. 2nd ed. 2012. Springer Berlin Heidelberg : Imprint: Springer, 2012.