APA (7th ed.) Citation
(2001). The world book encyclopedia (ed.). World Book Inc..
Chicago Style (17th ed.) Citation
The World Book Encyclopedia. ed. Chicago: World Book Inc., 2001.
MLA (9th ed.) Citation
The World Book Encyclopedia. ed. World Book Inc., 2001.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.