Cita APA (7th ed.)

Birch, T. (1964). Maps: Topographical and statistical (2nd ed.). Clarendon Press.

Cita Chicago (17th ed.)

Birch, T.W. Maps: Topographical and Statistical. 2nd ed. Oxford: Clarendon Press, 1964.

Cita MLA (9th ed.)

Birch, T.W. Maps: Topographical and Statistical. 2nd ed. Clarendon Press, 1964.

Atenció: Aquestes cites poden no estar 100% correctes.