APA (7th ed.) Citation

Karttunen, H., Kröger, P., Oja, H., Poutanen, M., & Donner, K. J. (2017). Fundamental astronomy (Sixth edition.). Springer.

Chicago Style (17th ed.) Citation

Karttunen, Hannu, Pekka Kröger, Heikki Oja, Markku Poutanen, and Karl Johan Donner. Fundamental Astronomy. Sixth edition. Heidelberg ; New York ; Dordrecht ; London: Springer, 2017.

MLA (9th ed.) Citation

Karttunen, Hannu, et al. Fundamental Astronomy. Sixth edition. Springer, 2017.