APA Style
Gilbert, L. et al (2002).
Islam at the Crossroads (Understanding its Beliefs, History, and Conflicts) (Cet.1).
Grand Rapids:
Baker Books.
MLA Style
Gilbert, Lela. et al.
"Islam at the Crossroads (Understanding its Beliefs, History, and Conflicts)".
Cet.1
Grand Rapids:
Baker Books,
2002.
Text.