APA (7th ed.) Citation

Heil, J. (2012). The universe as we find it (1a. ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Heil, John. The Universe as We Find It. 1a. ed. Oxford: Oxford University Press, 2012.

MLA (9th ed.) Citation

Heil, John. The Universe as We Find It. 1a. ed. Oxford University Press, 2012.