Cita APA (7th ed.)

Boehm, W., & Prautzsch, H. (1994). Geometric concepts for geometric design. A.K. Peters.

Cita Chicago (17th ed.)

Boehm, Wolfgang, i Hartmut Prautzsch. Geometric Concepts for Geometric Design. Wellesley, Mass: A.K. Peters, 1994.

Cita MLA (8th ed.)

Boehm, Wolfgang, i Hartmut Prautzsch. Geometric Concepts for Geometric Design. A.K. Peters, 1994.