APA (7e ed.) Bronvermelding

Não informado. (1901). Lick Observatory Bulletin. University of California, Lick Observatory.

Chicago (17e ed.) Bronvermelding

Não informado. Lick Observatory Bulletin. Berkeley, Calif: University of California, Lick Observatory, 1901.

MLA (8e ed.) Bronvermelding

Não informado. Lick Observatory Bulletin. University of California, Lick Observatory, 1901.

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