Cita APA (7th ed.)

Lelarge, P., Denel, J., & Herman, P. (1993). Electronic data interchanges concerning ports. United Nations.

Cita Chicago (17th ed.)

Lelarge, P., J. Denel, i P. Herman. Electronic Data Interchanges Concerning Ports. Nueva York: United Nations, 1993.

Cita MLA (9th ed.)

Lelarge, P., et al. Electronic Data Interchanges Concerning Ports. United Nations, 1993.