APA
Wicksell K., . (1967). Lectures on political economy, volumes 1-2. New York: Routledge.
Chicago
Wicksell Knut, . 1967. Lectures on political economy, volumes 1-2. New York: Routledge.
Harvard
Wicksell K., . (1967). Lectures on political economy, volumes 1-2. New York: Routledge.
MLA
Wicksell Knut, . Lectures on political economy, volumes 1-2. New York: Routledge. 1967.