APA (7th ed.) Citation

Mansell, Johnson, P., & Thomas, B. (1993). Choice and demand in tourism. Mansell.

Chicago Style (17th ed.) Citation

Mansell, Peter Johnson, and Barry Thomas. Choice and Demand in Tourism. London: Mansell, 1993.

MLA (8th ed.) Citation

Mansell, et al. Choice and Demand in Tourism. Mansell, 1993.