APA (7th ed.) Citation

Opitz, H. (1970). A classification system to describe workpieces ([1st English ed.].). Pergamon Press.

Chicago Style (17th ed.) Citation

Opitz, Herwart. A Classification System to Describe Workpieces. [1st English ed.]. Oxford, New York: Pergamon Press, 1970.

MLA (8th ed.) Citation

Opitz, Herwart. A Classification System to Describe Workpieces. [1st English ed.]. Pergamon Press, 1970.