APA (7th ed.) Citation

Seth, R. (1975). Encyclopedia of espionage (New ed.). New English Libr.

Chicago Style (17th ed.) Citation

Seth, Ronald. Encyclopedia of Espionage. New ed. London: New English Libr, 1975.

MLA (9th ed.) Citation

Seth, Ronald. Encyclopedia of Espionage. New ed. New English Libr, 1975.