Cita APA

Tunkin, G. I., & Butler, W. E. (1974). Theory of International Law. Cambridge, Massachusetts: Harvard University Press.

Citación estilo Chicago

Tunkin, Grigorii Ivanovich, y William E. Butler. Theory of International Law. Cambridge, Massachusetts: Harvard University Press, 1974.

Cita MLA

Tunkin, Grigorii Ivanovich, y William E. Butler. Theory of International Law. Cambridge, Massachusetts: Harvard University Press, 1974.