Citazione Stile APA (7a Edizione)

Seeds, M. A. (2008). Stars and galaxies (6th ed.). Thomson Brooks/Cole.

Citazione stile Chigago Style (17a edizione)

Seeds, Michael A. Stars and Galaxies. 6th ed. Belmont, CA: Thomson Brooks/Cole, 2008.

Citatione MLA (9a ed.)

Seeds, Michael A. Stars and Galaxies. 6th ed. Thomson Brooks/Cole, 2008.