APA (7th ed.) Citation

Great Britain. Hydrographic Office, Douglas, H. P., & Great Britain. Admiralty. (1932). Outline of the world: On Mercator's projection. Admiralty.

Chicago Style (17th ed.) Citation

Great Britain. Hydrographic Office, H. P. Douglas, and Great Britain. Admiralty. Outline of the World: On Mercator's Projection. London: Admiralty, 1932.

MLA (8th ed.) Citation

Great Britain. Hydrographic Office, et al. Outline of the World: On Mercator's Projection. Admiralty, 1932.