Cita APA (7a ed.)

Pearce, D. G., & Butler, R. W. (1993). Tourism research: Critiques and challenges. Routledge.

Cita Chicago Style (17a ed.)

Pearce, Douglas G., y Richard W. Butler. Tourism Research: Critiques and Challenges. London [etc.]: Routledge, 1993.

Cita MLA (9a ed.)

Pearce, Douglas G., y Richard W. Butler. Tourism Research: Critiques and Challenges. Routledge, 1993.