APA (7th ed.) Citation

Tunkin, G. I., & Butler, W. E. (2013). Theory of international law (Reprint 2014.). Harvard University Press. https://doi.org/10.4159/harvard.9780674434165

Chicago Style (17th ed.) Citation

Tunkin, Grigorij I., and William Elliott Butler. Theory of International Law. Reprint 2014. [Cambridge, Massachusetts]: Harvard University Press, 2013. https://doi.org/10.4159/harvard.9780674434165.

MLA (9th ed.) Citation

Tunkin, Grigorij I., and William Elliott Butler. Theory of International Law. Reprint 2014. Harvard University Press, 2013. https://doi.org/10.4159/harvard.9780674434165.