APA (7th ed.) Citation

Blackstock & Schaf. (1978). Intelligence, espionage, counterespionage, and covert operations: A guide to information sources. Gale Research Co.

Chicago Style (17th ed.) Citation

Blackstock and Schaf. Intelligence, Espionage, Counterespionage, and Covert Operations: A Guide to Information Sources. Detroit: Gale Research Co, 1978.

MLA (8th ed.) Citation

Blackstock and Schaf. Intelligence, Espionage, Counterespionage, and Covert Operations: A Guide to Information Sources. Gale Research Co, 1978.

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