Observations made with the Cookson floating zenith telescope in the years 1911-1918 at the Royal observatory, Greenwich,
for the determination of the variation of latitude and the constant of aberration
under the direction of Sir Frank Dyson. astronomer royal. Pub. by order of the Board of admiralty.
APA Citation
Royal Greenwich Observatory. (1921). Observations made with the Cookson floating zenith telescope in the years 1911-1918 at the Royal observatory, Greenwich: for the determination of the variation of latitude and the constant of aberration. London: H. M. Stationery off. [printed by Neill & co., ltd., Edinburgh].
MLA Citation
Royal Greenwich Observatory. Observations Made With the Cookson Floating Zenith Telescope In the Years 1911-1918 At the Royal Observatory, Greenwich: for the Determination of the Variation of Latitude And the Constant of Aberration. London: H. M. Stationery off. [printed by Neill & co., ltd., Edinburgh], 1921.
Warning: These citations may not always be complete (especially for serials).