APA

Laski (Harold J), . (1940). The American Presidency An Interpretation. : .

Chicago

Laski (Harold J), . 1940. The American Presidency An Interpretation. : .

Harvard

Laski (Harold J), . (1940). The American Presidency An Interpretation. : .

MLA

Laski (Harold J), . The American Presidency An Interpretation. : . 1940.