APA (7th ed.) Citation

Penn, W., Lanham, B. J., & Titow, W. V. (1971). PVC technology (3rd edition.). Applied science Publishers Ltd.

Chicago Style (17th ed.) Citation

Penn, W.S, B. J. Lanham, and W. V. Titow. PVC Technology. 3rd edition. London: Applied science Publishers Ltd, 1971.

MLA (8th ed.) Citation

Penn, W.S, et al. PVC Technology. 3rd edition. Applied science Publishers Ltd, 1971.