APA (7th ed.) Citation

Hughes, R. I., Lamb, D. R., & Pordes, O. (1965). Adhesion in bitumen macadam. Shell International Petroleum.

Chicago Style (17th ed.) Citation

Hughes, R. I., D. R. Lamb, and O. Pordes. Adhesion in Bitumen Macadam. London: Shell International Petroleum, 1965.

MLA (9th ed.) Citation

Hughes, R. I., et al. Adhesion in Bitumen Macadam. Shell International Petroleum, 1965.