Cita APA (7a ed.)

Visser, G., & Ferreira, S. (2013). Tourism and crisis. Routledge.

Cita Chicago Style (17a ed.)

Visser, Gustav, y Sanette Ferreira. Tourism and Crisis. New York: Routledge, 2013.

Cita MLA (9a ed.)

Visser, Gustav, y Sanette Ferreira. Tourism and Crisis. Routledge, 2013.