Cita APA (7a ed.)

Butler, R. W., & Pearce, D. G. (2010). Tourism research: A 20-20 vision. Goodfellow.

Cita Chicago Style (17a ed.)

Butler, Richard W., y Douglas G. Pearce. Tourism Research: A 20-20 Vision. Woodeaton, Oxford: Goodfellow, 2010.

Cita MLA (9a ed.)

Butler, Richard W., y Douglas G. Pearce. Tourism Research: A 20-20 Vision. Goodfellow, 2010.