Cita APA (7a ed.)

Engel, S., Kelsen, H., & Métall, R. A. (1964). Law, state, and international legal order: Essays in honor of Hans Kelsen. University of Tennessee Press.

Cita Chicago Style (17a ed.)

Engel, Salo, Hans Kelsen, y Rudolf A. Métall. Law, State, and International Legal Order: Essays in Honor of Hans Kelsen. Knoxville: University of Tennessee Press, 1964.

Cita MLA (9a ed.)

Engel, Salo, et al. Law, State, and International Legal Order: Essays in Honor of Hans Kelsen. University of Tennessee Press, 1964.