Cita APA (7a ed.)

Crelinsten, R. D., & Szabo, D. (1979). Hostage-taking. Heath.

Cita Chicago Style (17a ed.)

Crelinsten, Ronald D., y Denis Szabo. Hostage-taking. Lexington, Mass. [u.a.]: Heath, 1979.

Cita MLA (9a ed.)

Crelinsten, Ronald D., y Denis Szabo. Hostage-taking. Heath, 1979.