APA Style
Gaarder, Jostein. (1994).
Sophie's world .
New York:
Berkley Books.
Chicago Style
Gaarder, Jostein.
Sophie's world.
New York:
Berkley Books,
1994.
Text.
MLA Style
Gaarder, Jostein.
Sophie's world.
New York:
Berkley Books,
1994.
Text.
Turabian Style
Gaarder, Jostein.
Sophie's world.
New York:
Berkley Books,
1994.
Print.