Cita APA (7a ed.)

Ryan, C. (1991). Recreational tourism: : a social science perspective. Routledge.

Cita Chicago Style (17a ed.)

Ryan, Chris. Recreational Tourism: : A Social Science Perspective. London [etc.]: Routledge, 1991.

Cita MLA (9a ed.)

Ryan, Chris. Recreational Tourism: : A Social Science Perspective. Routledge, 1991.