APA (7th ed.) Citation

Evans, D. S. (1968). Observation in modern astronomy. English Universities P..

Chicago Style (17th ed.) Citation

Evans, David S. Observation in Modern Astronomy. London: English Universities P., 1968.

MLA (8th ed.) Citation

Evans, David S. Observation in Modern Astronomy. English Universities P., 1968.

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