APA (7th ed.) Citation

Mattern, J. (1928). Concepts of state, sovereignty and international law. The Johns Hopkins press.

Chicago Style (17th ed.) Citation

Mattern, Johannes. Concepts of State, Sovereignty and International Law. Baltimore, Md: The Johns Hopkins press, 1928.

MLA (9th ed.) Citation

Mattern, Johannes. Concepts of State, Sovereignty and International Law. The Johns Hopkins press, 1928.

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