Cita APA (7a ed.)

University of Western Ontario. Department of Geography, Warntz, W., & Coffey, W. J. (1988). Geographical systems and systems of geographical: Essays in honour of William Warntz. The University of Western Ontario, Department of Geography.

Cita Chicago Style (17a ed.)

University of Western Ontario. Department of Geography, William Warntz, y William J. Coffey. Geographical Systems and Systems of Geographical: Essays in Honour of William Warntz. Ontario: The University of Western Ontario, Department of Geography, 1988.

Cita MLA (9a ed.)

University of Western Ontario. Department of Geography, et al. Geographical Systems and Systems of Geographical: Essays in Honour of William Warntz. The University of Western Ontario, Department of Geography, 1988.