Cita APA

Johnston, R. J. 1. (1986). On human geography. Oxford: Basil Blackwell.

Citación estilo Chicago

Johnston, Ronald John 1941-. On Human Geography. Oxford: Basil Blackwell, 1986.

Cita MLA

Johnston, Ronald John 1941-. On Human Geography. Oxford: Basil Blackwell, 1986.