APA (7th ed.) Citation

Conference on Injection Moulding of Elastomers London, Borough Polytechnic (London, England), & Penn, W. S. (1969). Injection moulding of elastomers. Maclaren.

Chicago Style (17th ed.) Citation

Conference on Injection Moulding of Elastomers London, England) Borough Polytechnic (London, and W. S. Penn. Injection Moulding of Elastomers. London: Maclaren, 1969.

MLA (9th ed.) Citation

Conference on Injection Moulding of Elastomers London, et al. Injection Moulding of Elastomers. Maclaren, 1969.