APA (7th ed.) Citation

Penn, W. S. (1966). PVC technology / by W.S. Penn (2nd ed.). Maclaren.

Chicago Style (17th ed.) Citation

Penn, W. S. PVC Technology / by W.S. Penn. 2nd ed. Maclaren, 1966.

MLA (9th ed.) Citation

Penn, W. S. PVC Technology / by W.S. Penn. 2nd ed. Maclaren, 1966.

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