APA (7th ed.) Citation

Donnelly, M. C. (1973). A short history of observatories. University of Oregon Books.

Chicago Style (17th ed.) Citation

Donnelly, Marian C. A Short History of Observatories. Eugene: University of Oregon Books, 1973.

MLA (9th ed.) Citation

Donnelly, Marian C. A Short History of Observatories. University of Oregon Books, 1973.

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