APA (7th ed.) Citation

Sobel. (1978). Political terrorism vol 2 1974-78. Facts on File.

Chicago Style (17th ed.) Citation

Sobel. Political Terrorism Vol 2 1974-78. New York: Facts on File, 1978.

MLA (8th ed.) Citation

Sobel. Political Terrorism Vol 2 1974-78. Facts on File, 1978.

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