Cita APA (7a ed.)

Valdaliso Gago, J. M., Harlaftis, G., & Tenold, S. (2012). The world's key industry: History and economics of international shipping. Palgrave Macmillan.

Cita Chicago Style (17a ed.)

Valdaliso Gago, Jesús María, Gelina Harlaftis, y Stig Tenold. The World's Key Industry: History and Economics of International Shipping. Basingstoke: Palgrave Macmillan, 2012.

Cita MLA (9a ed.)

Valdaliso Gago, Jesús María, et al. The World's Key Industry: History and Economics of International Shipping. Palgrave Macmillan, 2012.