Não informado. (1926). Annals of the Observatory of Lund. Observatory of Lund.
Chicagoスタイル(17版)引用形式Não informado. Annals of the Observatory of Lund. Lund, Suecia: Observatory of Lund, 1926.
MLA(8版)引用形式Não informado. Annals of the Observatory of Lund. Observatory of Lund, 1926.
警告: この引用は必ずしも正確ではありません.