APA (7th ed.) Citation

Struve, O. (1958). The astronomical universe. Oregon State System of Higher Education.

Chicago Style (17th ed.) Citation

Struve, Otto. The Astronomical Universe. Eugene: Oregon State System of Higher Education, 1958.

MLA (9th ed.) Citation

Struve, Otto. The Astronomical Universe. Oregon State System of Higher Education, 1958.

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