APA (7th ed.) Citation

Open University, Norton, A., & Cooper, W. A. (2004). Observing the universe: A guide to observational astronomy and planetary science. Open University ; Cambridge University Press.

Chicago Style (17th ed.) Citation

Open University, Andrew Norton, and W. A. Cooper. Observing the Universe: A Guide to Observational Astronomy and Planetary Science. Milton Keynes, U.K. : Cambridge, UK ; New York: Open University ; Cambridge University Press, 2004.

MLA (9th ed.) Citation

Open University, et al. Observing the Universe: A Guide to Observational Astronomy and Planetary Science. Open University ; Cambridge University Press, 2004.