Report of the Astronomer Royal to the Board of Visitors of the Royal Observatory, Greenwich ...
APA Citation
Royal Observatory, G. (1948). Report of the Astronomer Royal to the Board of Visitors of the Royal Observatory, Greenwich ... [S.l.: The Observatory?.
MLA Citation
Royal Observatory, Greenwich. Report of the Astronomer Royal to the Board of Visitors of the Royal Observatory, Greenwich ... [S.l.: The Observatory?, 1948.
Warning: These citations may not always be complete (especially for serials).