APA-Zitierstil (7. Ausg.)

Christian, C., & Roy, J. (2017). A question and answer guide to astronomy (Second edition.). University Press.

Chicago-Zitierstil (17. Ausg.)

Christian, Carol, und Jean-René Roy. A Question and Answer Guide to Astronomy. Second edition. Cambridge: University Press, 2017.

MLA-Zitierstil (9. Ausg.)

Christian, Carol, und Jean-René Roy. A Question and Answer Guide to Astronomy. Second edition. University Press, 2017.