APA (7e ed.) Bronvermelding

Não informado. (1889). Annals of the Tokyo Astronomical Observatory. University of Tokyo.

Chicago (17e ed.) Bronvermelding

Não informado. Annals of the Tokyo Astronomical Observatory. Tokyo: University of Tokyo, 1889.

MLA (8e ed.) Bronvermelding

Não informado. Annals of the Tokyo Astronomical Observatory. University of Tokyo, 1889.

Let op: Deze citaties zijn niet altijd 100% accuraat.