MLA

Wolfrum, RĂ¼diger, Chie Kojima, and Rudiger Wolfrum. Solidarity: A Structural Principle of International Law. Springer Berlin Heidelberg, 2010.

APA

Wolfrum, R., Kojima, C.Wolfrum, R. (2010). Solidarity: A Structural Principle of International Law. Springer Berlin Heidelberg.

Chicago

Wolfrum, RĂ¼diger, Chie Kojima, and Rudiger Wolfrum. Solidarity: A Structural Principle of International Law. : Springer Berlin Heidelberg, 2010.