Cita APA (7a ed.)

O'Keeffe, J. (1998). The great power conflict (1. publ.). Thornes.

Cita Chicago Style (17a ed.)

O'Keeffe, John. The Great Power Conflict. 1. publ. Cheltenham: Thornes, 1998.

Cita MLA (9a ed.)

O'Keeffe, John. The Great Power Conflict. 1. publ. Thornes, 1998.