APA (7th ed.) Citation

Great Britain. War Office, Great Britain. Ministry of Information, & Garnett, D. (1942). The campaign in Greece and Crete. H.M. Stationery Off.

Chicago Style (17th ed.) Citation

Great Britain. War Office, Great Britain. Ministry of Information, and David Garnett. The Campaign in Greece and Crete. London: H.M. Stationery Off, 1942.

MLA (9th ed.) Citation

Great Britain. War Office, et al. The Campaign in Greece and Crete. H.M. Stationery Off, 1942.