APA aipamena

Karttunen, H., Kröger, P., Oja, H., Poutanen, M., & Donner, K. J. (2020). Fundamental Astronomy. 6th ed. Springer Berlin Heidelberg.

Chicago Style aipamena

Karttunen, Hannu, Pekka Kröger, Heikki Oja, Markku Poutanen, và Karl Johan Donner. Fundamental Astronomy. 6th Ed. Springer Berlin Heidelberg, 2020.

MLA aipamena

Karttunen, Hannu, et al. Fundamental Astronomy. 6th Ed. Springer Berlin Heidelberg, 2020.