Cita APA (7a ed.)

Karrass, C. L. (1975). Tactics of pressure. [s.n].

Cita Chicago Style (17a ed.)

Karrass, Chester L. Tactics of Pressure. Time-Life FilmS, New York: [s.n], 1975.

Cita MLA (9a ed.)

Karrass, Chester L. Tactics of Pressure. [s.n], 1975.