APA

Merkl P. H., . (1967). Political continuity and change. New York: Harper & Row.

Chicago

Merkl Peter H, . 1967. Political continuity and change. New York: Harper & Row.

Harvard

Merkl P. H., . (1967). Political continuity and change. New York: Harper & Row.

MLA

Merkl Peter H, . Political continuity and change. New York: Harper & Row. 1967.