APA Style
Gaarder, Jostein. (2007).
Sophie's World: a Novel about the History of Philosophy .
Los Angeles:
Farrar-Straus-Giroux.
Chicago Style
Gaarder, Jostein.
Sophie's World: a Novel about the History of Philosophy.
Los Angeles:
Farrar-Straus-Giroux,
2007.
Text.
MLA Style
Gaarder, Jostein.
Sophie's World: a Novel about the History of Philosophy.
Los Angeles:
Farrar-Straus-Giroux,
2007.
Text.
Turabian Style
Gaarder, Jostein.
Sophie's World: a Novel about the History of Philosophy.
Los Angeles:
Farrar-Straus-Giroux,
2007.
Print.