Cita APA

Allan, A. (2004). Maths for Map Makers (2.ed.). Caithness: Whittles.

Citación estilo Chicago

Allan, Arthur. Maths for Map Makers. 2.ed. Caithness: Whittles, 2004.

Cita MLA

Allan, Arthur. Maths for Map Makers. 2.ed. Caithness: Whittles, 2004.