Instituto Brasileiro de Informação em Ciência e Tecnologia

Cytowanie według stylu APA (wyd. 7)

Não informado. (1898). Bulletin of the Astronomical Observatory of Harvard University. Astronomical Observatory of Harvard University.

Cytowanie według stylu Chicago (wyd. 17)

Não informado. Bulletin of the Astronomical Observatory of Harvard University. Cambridge, Mass: Astronomical Observatory of Harvard University, 1898.

Cytowanie według stylu MLA (wyd. 8)

Não informado. Bulletin of the Astronomical Observatory of Harvard University. Astronomical Observatory of Harvard University, 1898.