APA (7th ed.) Citation

WARK. (1994). Espionage: Past, present, future? Frank Cass.

Chicago Style (17th ed.) Citation

WARK. Espionage: Past, Present, Future? Essex: Frank Cass, 1994.

MLA (8th ed.) Citation

WARK. Espionage: Past, Present, Future? Frank Cass, 1994.

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