APA (7th ed.) Citation

Sobel, L. A., & Grant, A. (1978). Political prisoners: A world report. Facts on file.

Chicago Style (17th ed.) Citation

Sobel, Lester A., and Alexander Grant. Political Prisoners: A World Report. New York: Facts on file, 1978.

MLA (8th ed.) Citation

Sobel, Lester A., and Alexander Grant. Political Prisoners: A World Report. Facts on file, 1978.

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