Não informado. Publications of the Lick Observatory. University of California.
Chicago-Zitierstil (17. Ausg.)Não informado. Publications of the Lick Observatory. Sacramento: University of California.
MLA-Zitierstil (8. Ausg.)Não informado. Publications of the Lick Observatory. University of California.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.