APA (7th ed.) Citation

Langworth, R. M., & Robson, G. (1979). Triumph cars: The complete 75-year history. Motor Racing Publications.

Chicago Style (17th ed.) Citation

Langworth, Richard M., and Graham Robson. Triumph Cars: The Complete 75-year History. London, England: Motor Racing Publications, 1979.

MLA (9th ed.) Citation

Langworth, Richard M., and Graham Robson. Triumph Cars: The Complete 75-year History. Motor Racing Publications, 1979.