APA (7th ed.) Citation

Harmein, I., Schmidt, P. A., & Rich, B. (2011). Geometri: Belajar Super Cepat. Erlangga.

Chicago Style (17th ed.) Citation

Harmein, Irzam, Philip A. Schmidt, and Barnett Rich. Geometri: Belajar Super Cepat. Erlangga, 2011.

MLA (8th ed.) Citation

Harmein, Irzam, et al. Geometri: Belajar Super Cepat. Erlangga, 2011.