APA (7th ed.) Citation

Aberson, E., & Leon, P. M. d.. (1991). Air transport law and policy in the 1990s. Martinus Nijhoff.

Chicago Style (17th ed.) Citation

Aberson, Emilie, and Pablo Meades de Leon. Air Transport Law and Policy in the 1990s. Dordrecht, The Netherlands: Martinus Nijhoff, 1991.

MLA (9th ed.) Citation

Aberson, Emilie, and Pablo Meades de Leon. Air Transport Law and Policy in the 1990s. Martinus Nijhoff, 1991.