APA (7th ed.) Citation

MILL, R. C., & Morrison, A. M. (1985). The tourism system: An introductory text. Prentice-Hall.

Chicago Style (17th ed.) Citation

MILL, Robert Christie, and Alastair M. Morrison. The Tourism System: An Introductory Text. New Jersey: Prentice-Hall, 1985.

MLA (8th ed.) Citation

MILL, Robert Christie, and Alastair M. Morrison. The Tourism System: An Introductory Text. Prentice-Hall, 1985.