Unmasked! : the story of Soviet espionage

MLA

Seth, Ronald. Unmasked! : the Story of Soviet Espionage. [1st American ed.] New York, NY: Hawthorn Books, 1965.

APA

Seth, R. (1965). Unmasked! : the story of Soviet espionage. [1st American ed.] New York, NY: Hawthorn Books.

Chicago

Seth, Ronald. Unmasked! : the Story of Soviet Espionage. [1st American ed.] New York, NY: Hawthorn Books,, 1965.