APA-Zitierstil (7. Ausg.)

Wall, G., & Wright, C. (1977). The environmental impact of outdoor recreation. Univ. of Waterloo.

Chicago-Zitierstil (17. Ausg.)

Wall, Geoffrey, und Cynthia Wright. The Environmental Impact of Outdoor Recreation. Waterloo: Univ. of Waterloo, 1977.

MLA-Zitierstil (9. Ausg.)

Wall, Geoffrey, und Cynthia Wright. The Environmental Impact of Outdoor Recreation. Univ. of Waterloo, 1977.