APA (7th ed.) Citation

Landheer, B., & Essen, J. L. F. (1954). Recognition in international law. A.W. Sitjhoff.

Chicago Style (17th ed.) Citation

Landheer, Bartholomeus, and Jan Louis Frederickvan Essen. Recognition in International Law. Leyden: A.W. Sitjhoff, 1954.

MLA (9th ed.) Citation

Landheer, Bartholomeus, and Jan Louis Frederickvan Essen. Recognition in International Law. A.W. Sitjhoff, 1954.