Cita APA (7a ed.)

Johnson, P. S., & Thomas, B. (1992). Perspectives on tourism policy. Mansell.

Cita Chicago Style (17a ed.)

Johnson, P. S., y Barry Thomas. Perspectives on Tourism Policy. London: Mansell, 1992.

Cita MLA (9a ed.)

Johnson, P. S., y Barry Thomas. Perspectives on Tourism Policy. Mansell, 1992.