APA (7th ed.) Citation

Birney, D. S. (1991). Observational astronomy. Cambridge University Press.

Chicago Style (17th ed.) Citation

Birney, D. Scott. Observational Astronomy. Cambridge, Eng.: Cambridge University Press, 1991.

MLA (9th ed.) Citation

Birney, D. Scott. Observational Astronomy. Cambridge University Press, 1991.

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