APA (7th ed.) Citation

Black, J. (2002). The world in the twentieth century / Jeremy Black. Longman.

Chicago Style (17th ed.) Citation

Black, Jeremy. The World in the Twentieth Century / Jeremy Black. Harlow: Longman, 2002.

MLA (9th ed.) Citation

Black, Jeremy. The World in the Twentieth Century / Jeremy Black. Longman, 2002.

Warning: These citations may not always be 100% accurate.