APA (7th ed.) Citation

Arden-Close, C. F. (1969). The early years of the Ordnance Survey. A. M. Kelley.

Chicago Style (17th ed.) Citation

Arden-Close, Charles Frederick. The Early Years of the Ordnance Survey. New York: A. M. Kelley, 1969.

MLA (9th ed.) Citation

Arden-Close, Charles Frederick. The Early Years of the Ordnance Survey. A. M. Kelley, 1969.

Warning: These citations may not always be 100% accurate.