APA (7th ed.) Citation

Oxford University Press, Holt, R., & Stott, T. (1991). First class english for tourism: Student's book. Oxford University Press.

Chicago Style (17th ed.) Citation

Oxford University Press, Roger Holt, and Trish Stott. First Class English for Tourism: Student's Book. Oxford: Oxford University Press, 1991.

MLA (8th ed.) Citation

Oxford University Press, et al. First Class English for Tourism: Student's Book. Oxford University Press, 1991.