Não informado. (1889). Publications. Astronomical Society of the Pacific.
Style de citation Chicago (17e éd.)Não informado. Publications. San Francisco, Calif: Astronomical Society of the Pacific, 1889.
Style de citation MLA (8e éd.)Não informado. Publications. Astronomical Society of the Pacific, 1889.
Attention : ces citations peuvent ne pas être correctes à 100%.