APA (7th ed.) Citation

O''Brien Patrick K. & General. (2002). Atlas of world history. [K.n.x.b.].

Chicago Style (17th ed.) Citation

O''Brien Patrick K. and General. Atlas of World History. [K.đ.]: [K.n.x.b.], 2002.

MLA (9th ed.) Citation

O''Brien Patrick K. and General. Atlas of World History. [K.n.x.b.], 2002.