Citazione Stile APA (7a Edizione)

Bernhardt, R. (1987). Custom and treaty in the law of the sea. Martinus Nijhoff Publishers.

Citazione stile Chigago Style (17a edizione)

Bernhardt, Rudolf. Custom and Treaty in the Law of the Sea. Dordrecht ; Boston ; Lancaster: Martinus Nijhoff Publishers, 1987.

Citatione MLA (9a ed.)

Bernhardt, Rudolf. Custom and Treaty in the Law of the Sea. Martinus Nijhoff Publishers, 1987.