(1902). Annals of the Royal Observatory, Edinburgh: Published by autority of His Majesty's Government. James Hedderwick and Sons.
Chicago-Zitierstil (17. Ausg.)Annals of the Royal Observatory, Edinburgh: Published by Autority of His Majesty's Government. Glasgow: James Hedderwick and Sons, 1902.
MLA-Zitierstil (9. Ausg.)Annals of the Royal Observatory, Edinburgh: Published by Autority of His Majesty's Government. James Hedderwick and Sons, 1902.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.