Cita APA (7a ed.)

Witt, S. F., Brooke, M. Z., & Buckley, P. J. (1991). The management of international tourism. Unwin Hyman.

Cita Chicago Style (17a ed.)

Witt, Stephen F., Michael Z. Brooke, y Peter J. Buckley. The Management of International Tourism. London [etc.]: Unwin Hyman, 1991.

Cita MLA (9a ed.)

Witt, Stephen F., et al. The Management of International Tourism. Unwin Hyman, 1991.