Cita APA (7a ed.)

Wilson, J. G. (1983). Language of maps (11. impression.). Schofield & Sims.

Cita Chicago Style (17a ed.)

Wilson, John Graham. Language of Maps. 11. impression. Huddersfield: Schofield & Sims, 1983.

Cita MLA (9a ed.)

Wilson, John Graham. Language of Maps. 11. impression. Schofield & Sims, 1983.