APA (7th ed.) Citation

Walker, G. (1987). Astronomical observations: An optical perspective (1. publ.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Walker, Gordon. Astronomical Observations: An Optical Perspective. 1. publ. Cambridge [u.a.]: Cambridge Univ. Press, 1987.

MLA (9th ed.) Citation

Walker, Gordon. Astronomical Observations: An Optical Perspective. 1. publ. Cambridge Univ. Press, 1987.

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