APA (7th ed.) Citation

University of Minnesota. Astronomical Observatory. (1930). Publications of the Astronomical observatory, University of Minnesota. The University of Minnesota Press.

Chicago Style (17th ed.) Citation

University of Minnesota. Astronomical Observatory. Publications of the Astronomical Observatory, University of Minnesota. Minneapolis: The University of Minnesota Press, 1930.

MLA (9th ed.) Citation

University of Minnesota. Astronomical Observatory. Publications of the Astronomical Observatory, University of Minnesota. The University of Minnesota Press, 1930.