Cita APA (7a ed.)

Kemball, W. G. (1981). Canada and the world: A geography skills book. Oxford Univ. Press.

Cita Chicago Style (17a ed.)

Kemball, Walter G. Canada and the World: A Geography Skills Book. Toronto: Oxford Univ. Press, 1981.

Cita MLA (9a ed.)

Kemball, Walter G. Canada and the World: A Geography Skills Book. Oxford Univ. Press, 1981.

Precaución: Estas citas no son 100% exactas.