Cita APA (7th ed.)

Computer Aided Geometric Design, Barnhill, R. E., & Riesenfeld, R. F. (1974). Computer aided geometric design. New York : Academic Press.

Cita Chicago (17th ed.)

Computer Aided Geometric Design, Robert E. Barnhill, i Richard F. Riesenfeld. Computer Aided Geometric Design. New York : Academic Press, 1974.

Cita MLA (9th ed.)

Computer Aided Geometric Design, et al. Computer Aided Geometric Design. New York : Academic Press, 1974.