The Air almanac.
APA Citation
Great Britain. Nautical Almanac Office., United States Naval Observatory. Nautical Almanac Office., Great Britain. Air Ministry. The Air almanac. London: H.M. Stationery Office.
MLA Citation
Great Britain. Nautical Almanac Office, United States Naval Observatory. Nautical Almanac Office, and Great Britain. Air Ministry. The Air Almanac. London: H.M. Stationery Office,
Warning: These citations may not always be complete (especially for serials).