Cita APA (7th ed.)

Williams, S. (1995). Outdoor recreation and the urban environment. Routledge.

Cita Chicago (17th ed.)

Williams, Stephen. Outdoor Recreation and the Urban Environment. London: Routledge, 1995.

Cita MLA (9th ed.)

Williams, Stephen. Outdoor Recreation and the Urban Environment. Routledge, 1995.