Cita APA (7th ed.)
Engel, S., Métall, R. A., & Kelsen, H. (1968). Law, state, and international legal order: Essays in honor of Hans Kelsen. The Univ. of Tennessee Press.
Cita Chicago (17th ed.)
Engel, Salo, Rudolf Aladár Métall, i Hans Kelsen. Law, State, and International Legal Order: Essays in Honor of Hans Kelsen. Knoxville: The Univ. of Tennessee Press, 1968.
Cita MLA (9th ed.)
Engel, Salo, et al. Law, State, and International Legal Order: Essays in Honor of Hans Kelsen. The Univ. of Tennessee Press, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.