Cita APA (7a ed.)

Adler, J., & Tompkins, T. C. (1988). Travel safety: Security safeguards at home and abroad. Hippocrene Books.

Cita Chicago Style (17a ed.)

Adler, Jack, y Thomas C. Tompkins. Travel Safety: Security Safeguards at Home and Abroad. New York, NY: Hippocrene Books, 1988.

Cita MLA (8a ed.)

Adler, Jack, y Thomas C. Tompkins. Travel Safety: Security Safeguards at Home and Abroad. Hippocrene Books, 1988.