APA

Schumpeter J. A., . (1950). Capitalism, socialism, and democracy. New York: Harper.

Chicago

Schumpeter Joseph Alois, . 1950. Capitalism, socialism, and democracy. New York: Harper.

Harvard

Schumpeter J. A., . (1950). Capitalism, socialism, and democracy. New York: Harper.

MLA

Schumpeter Joseph Alois, . Capitalism, socialism, and democracy. New York: Harper. 1950.