Planetary co-ordinates for the years 1800-1940 referred to the equinox of 1950-0 /
prepared by H.M. Nautical Almanac Office.

APA Citation

Great Britain. Nautical Almanac Office. (1933). Planetary co-ordinates for the years 1800-1940 referred to the equinox of 1950-0. London: H.M. Stationery off. [printed by C. Tinling & co., ltd.].

MLA Citation

Great Britain. Nautical Almanac Office. Planetary Co-ordinates for the Years 1800-1940 Referred to the Equinox of 1950-0. London: H.M. Stationery off. [printed by C. Tinling & co., ltd.], 1933.

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