Não informado. (1889). Annals of the Tokyo Astronomical Observatory. University of Tokyo.
Cita Chicago Style (17a ed.)Não informado. Annals of the Tokyo Astronomical Observatory. Tokyo: University of Tokyo, 1889.
Cita MLA (8a ed.)Não informado. Annals of the Tokyo Astronomical Observatory. University of Tokyo, 1889.
Precaución: Estas citas no son 100% exactas.