APA (7th ed.) Citation
(1991). The world book encyclopedia: Britain & Ireland : Obs. Vol.23, A-H, s.1-618. Vol.24, I-Z, s.619-1190 (1.vyd.). The World Book,Inc.
Chicago Style (17th ed.) Citation
The World Book Encyclopedia: Britain & Ireland : Obs. Vol.23, A-H, S.1-618. Vol.24, I-Z, S.619-1190. 1.vyd. Chicago: The World Book,Inc, 1991.
MLA (9th ed.) Citation
The World Book Encyclopedia: Britain & Ireland : Obs. Vol.23, A-H, S.1-618. Vol.24, I-Z, S.619-1190. 1.vyd. The World Book,Inc, 1991.
Warning: These citations may not always be 100% accurate.