Cita APA (7a ed.)

International Maritime Bureau & Ellen, E. F. (1989). Piracy at sea. ICC publication.

Cita Chicago Style (17a ed.)

International Maritime Bureau y Eric F. Ellen. "Piracy at Sea." ICC Publication 1989.

Cita MLA (9a ed.)

International Maritime Bureau y Eric F. Ellen. "Piracy at Sea." ICC Publication, 1989.