APA (7th ed.) Citation

DuBois & John. (1981). Plastics (6th ed.). Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

DuBois and John. Plastics. 6th ed. New York: Van Nostrand Reinhold, 1981.

MLA (8th ed.) Citation

DuBois and John. Plastics. 6th ed. Van Nostrand Reinhold, 1981.

Warning: These citations may not always be 100% accurate.