Cita APA (7a ed.)

Bielig-Schulz, G., & Schulz, C. (1990). 3D graphics in Pascal. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Bielig-Schulz, Gisela, y Christoph Schulz. 3D Graphics in Pascal. Chichester [etc.]: John Wiley & Sons, 1990.

Cita MLA (9a ed.)

Bielig-Schulz, Gisela, y Christoph Schulz. 3D Graphics in Pascal. John Wiley & Sons, 1990.