Cita APA (7a ed.)

Edgell, D. L., & Swanson, J. R. (2013). Tourism policy and planning: Yesterday, today, and tomorrow (2nd ed.). Routledge.

Cita Chicago Style (17a ed.)

Edgell, David L., y Jason R. Swanson. Tourism Policy and Planning: Yesterday, Today, and Tomorrow. 2nd ed. London [etc.]: Routledge, 2013.

Cita MLA (9a ed.)

Edgell, David L., y Jason R. Swanson. Tourism Policy and Planning: Yesterday, Today, and Tomorrow. 2nd ed. Routledge, 2013.