Cita APA (7th ed.)
Westergaard, H. L. (1922). Economic Development in Denmark: Before and during the World War.
Cita Chicago (17th ed.)
Westergaard, Harald Ludvig. Economic Development in Denmark: Before and During the World War. Oxford, 1922.
Cita MLA (9th ed.)
Westergaard, Harald Ludvig. Economic Development in Denmark: Before and During the World War. 1922.
Atenció: Aquestes cites poden no estar 100% correctes.