APA (7th ed.) Citation

Paulsen, M. G. (1961). The problem of electronic eavesdropping. s.n.

Chicago Style (17th ed.) Citation

Paulsen, Monrad G. The Problem of Electronic Eavesdropping. Philadelphia: s.n, 1961.

MLA (9th ed.) Citation

Paulsen, Monrad G. The Problem of Electronic Eavesdropping. s.n, 1961.