APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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