APA (7th ed.) Citation

C.A.B. International & Hawkins, D. E. (1991). World travel and tourism review: Indicators, trends and forecasts. C.A.B. International.

Chicago Style (17th ed.) Citation

C.A.B. International and Donald E. Hawkins. World Travel and Tourism Review: Indicators, Trends and Forecasts. Wallingford, Oxon, UK: C.A.B. International, 1991.

MLA (9th ed.) Citation

C.A.B. International and Donald E. Hawkins. World Travel and Tourism Review: Indicators, Trends and Forecasts. C.A.B. International, 1991.