Cita APA (7a ed.)

Robertson, K. G. (1987). British and American approaches to intelligence. Macmillan.

Cita Chicago Style (17a ed.)

Robertson, Ken G. British and American Approaches to Intelligence. Houndmills: Macmillan, 1987.

Cita MLA (9a ed.)

Robertson, Ken G. British and American Approaches to Intelligence. Macmillan, 1987.