APA (7th ed.) Citation

International Tug Conference London, England, & Troup, K. D. (1972). Second International Tug Conference. Thomas Reed Industrial Press Ltd.

Chicago Style (17th ed.) Citation

International Tug Conference London, England, and Kenneth D. Troup. Second International Tug Conference. London: Thomas Reed Industrial Press Ltd, 1972.

MLA (8th ed.) Citation

International Tug Conference London, England, and Kenneth D. Troup. Second International Tug Conference. Thomas Reed Industrial Press Ltd, 1972.