Cita APA (7a ed.)

Boardman, D. (1983). Graphicacy and geography teaching. Helm.

Cita Chicago Style (17a ed.)

Boardman, David. Graphicacy and Geography Teaching. London [etc.]: Helm, 1983.

Cita MLA (9a ed.)

Boardman, David. Graphicacy and Geography Teaching. Helm, 1983.