APA (7th ed.) Citation

Krogdahl, W. S. (1952). The astronomical universe: An introductory text in college astronomy. Macmillan.

Chicago Style (17th ed.) Citation

Krogdahl, Wasley Sven. The Astronomical Universe: An Introductory Text in College Astronomy. New York: Macmillan, 1952.

MLA (9th ed.) Citation

Krogdahl, Wasley Sven. The Astronomical Universe: An Introductory Text in College Astronomy. Macmillan, 1952.

Warning: These citations may not always be 100% accurate.