APA-viite (7. p.)
Gonzalo, J. A. (2008). The intelligible universe: An overview of the last thirteen billion years (2nd ed.). World Scientific Pub. Co..
Chicago-viite (17. p.)
Gonzalo, Julio A. The Intelligible Universe: An Overview of the Last Thirteen Billion Years. 2nd ed. Singapore ; Hackensack, NJ: World Scientific Pub. Co., 2008.
MLA-viite (9. p.)
Gonzalo, Julio A. The Intelligible Universe: An Overview of the Last Thirteen Billion Years. 2nd ed. World Scientific Pub. Co., 2008.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.