APA (7th ed.) Citation

Great Britain. Directorate of Military Survey & Mapping and Charting Establishment RE (Great Britain). (1983). Europe 1: 2,500,000 (Ed. 2-GSGS.). Director of Military Survey.

Chicago Style (17th ed.) Citation

Great Britain. Directorate of Military Survey and Mapping and Charting Establishment RE (Great Britain). Europe 1: 2,500,000. Ed. 2-GSGS. London: Director of Military Survey, 1983.

MLA (9th ed.) Citation

Great Britain. Directorate of Military Survey and Mapping and Charting Establishment RE (Great Britain). Europe 1: 2,500,000. Ed. 2-GSGS. Director of Military Survey, 1983.