A history and description of the Royal observatory, Cape of Good Hope.
By Sir David Gill, published by order of the lords commissioners of the Admiralty in obedience to His Majesty's command.

APA Citation

Gill, D., Bahn, W., Great Britain. Admiralty. (1913). A history and description of the Royal observatory, Cape of Good Hope. London: H. M. Stationery off..

MLA Citation

Gill, David, Sir, 1843-1914, Wilhelm Bahn, and Great Britain. Admiralty. A History And Description of the Royal Observatory, Cape of Good Hope. London: H. M. Stationery off., 1913.

Warning: These citations may not always be complete (especially for serials).