APA

Clark J. S., . (1964). Congress: the sapless branch. New York: Harper & Row.

Chicago

Clark Joseph S, . 1964. Congress: the sapless branch. New York: Harper & Row.

Harvard

Clark J. S., . (1964). Congress: the sapless branch. New York: Harper & Row.

MLA

Clark Joseph S, . Congress: the sapless branch. New York: Harper & Row. 1964.