APA-Zitierstil (7. Ausg.)

Tull, G. K., & Bulwer, P. M. (1975). Britain and the world in the twentieth century (4th and revised ed.). Blandford.

Chicago-Zitierstil (17. Ausg.)

Tull, G. K., und P. McG Bulwer. Britain and the World in the Twentieth Century. 4th and revised ed. London: Blandford, 1975.

MLA-Zitierstil (9. Ausg.)

Tull, G. K., und P. McG Bulwer. Britain and the World in the Twentieth Century. 4th and revised ed. Blandford, 1975.