Citazione Stile APA (7a Edizione)

Seeds, M. A., & Backman, D. E. (2013). The solar system (8th ed.). Books/Cole Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Seeds, Michael A., e Dana E. Backman. The Solar System. 8th ed. Australia: Books/Cole Cengage Learning, 2013.

Citatione MLA (9a ed.)

Seeds, Michael A., e Dana E. Backman. The Solar System. 8th ed. Books/Cole Cengage Learning, 2013.