APA (7th ed.) Citation

Aston, C. C. (1984). Political hostage-taking in Western Europe. Conflict studies.

Chicago Style (17th ed.) Citation

Aston, Clive C. "Political Hostage-taking in Western Europe." Conflict Studies 1984.

MLA (8th ed.) Citation

Aston, Clive C. "Political Hostage-taking in Western Europe." Conflict Studies, 1984.

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