APA (7e ed.) Bronvermelding

Não informado. (2018). Publications of the Cincinnati Observatory. Cincinnati Observatory.

Chicago (17e ed.) Bronvermelding

Não informado. Publications of the Cincinnati Observatory. Cincinnati, Ohio: Cincinnati Observatory, 2018.

MLA (8e ed.) Bronvermelding

Não informado. Publications of the Cincinnati Observatory. Cincinnati Observatory, 2018.

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