APA

Beach R. C., . (1991). An Introduction to the curves and surfaces of computer-aided design. New York, NY: Van Nostrand Reinhold.

Chicago

Beach Robert C, . 1991. An Introduction to the curves and surfaces of computer-aided design. New York, NY: Van Nostrand Reinhold.

Harvard

Beach R. C., . (1991). An Introduction to the curves and surfaces of computer-aided design. New York, NY: Van Nostrand Reinhold.

MLA

Beach Robert C, . An Introduction to the curves and surfaces of computer-aided design. New York, NY: Van Nostrand Reinhold. 1991.