Não informado. (1926). Annals of the Observatory of Lund. Observatory of Lund.
Style de citation Chicago (17e éd.)Não informado. Annals of the Observatory of Lund. Lund, Suecia: Observatory of Lund, 1926.
Style de citation MLA (8e éd.)Não informado. Annals of the Observatory of Lund. Observatory of Lund, 1926.
Attention : ces citations peuvent ne pas être correctes à 100%.