Cita APA

Nelson, J. G., & Nelson, J. G. (1976). Man's impact on the western Canadian landscape. Toronto: McClelland and Stewart.

Citación estilo Chicago

Nelson, James Gordon, y James Gordon Nelson. Man's Impact On the Western Canadian Landscape. Toronto: McClelland and Stewart, 1976.

Cita MLA

Nelson, James Gordon, y James Gordon Nelson. Man's Impact On the Western Canadian Landscape. Toronto: McClelland and Stewart, 1976.