APA (7th ed.) Citation

Donner, K. J., Karttunen, H., Kroger, P., Oja, H., & Poutanen, M. (1987). Fundamental astronomy. Springer Verlag.

Chicago Style (17th ed.) Citation

Donner, Karl Johan, Hannu Karttunen, Pekka Kroger, Heikki Oja, and Markku Poutanen. Fundamental Astronomy. Berlin: Springer Verlag, 1987.

MLA (8th ed.) Citation

Donner, Karl Johan, et al. Fundamental Astronomy. Springer Verlag, 1987.