APA (7th ed.) Citation

Walker, J., & Ambrose, M. (1981). Business traveller's handbook, a guide to Europe. Facts on File.

Chicago Style (17th ed.) Citation

Walker, Jane, and Mark Ambrose. Business Traveller's Handbook, a Guide to Europe. New York, N.Y.: Facts on File, 1981.

MLA (9th ed.) Citation

Walker, Jane, and Mark Ambrose. Business Traveller's Handbook, a Guide to Europe. Facts on File, 1981.