APA (7th ed.) Citation

Verzijl, J. H. W. (1973). International law in historical perspective. A.W. Sijthoff.

Chicago Style (17th ed.) Citation

Verzijl, J. H. W. International Law in Historical Perspective. Leyden: A.W. Sijthoff, 1973.

MLA (9th ed.) Citation

Verzijl, J. H. W. International Law in Historical Perspective. A.W. Sijthoff, 1973.

Warning: These citations may not always be 100% accurate.