APA Citatie

Crawford. (1981). Plastic engineering (2nd ed.). Pergaman Press.

Chicago Style citaat

Crawford. Plastic Engineering. 2nd ed. NeewYork: Pergaman Press, 1981.

MLA citatie

Crawford. Plastic Engineering. 2nd ed. Pergaman Press, 1981.

Let op: Deze citaties zijn niet altijd 100% accuraat.