Citazione Stile APA (7a Edizione)

Wilson, A. G., & Kirkby, M. J. (1980). Mathematics for Geographers and Planners (2nd ed.). Clarendon Press.

Citazione stile Chigago Style (17a edizione)

Wilson, A. G., e M. J. Kirkby. Mathematics for Geographers and Planners. 2nd ed. Oxford: Clarendon Press, 1980.

Citatione MLA (9a ed.)

Wilson, A. G., e M. J. Kirkby. Mathematics for Geographers and Planners. 2nd ed. Clarendon Press, 1980.