APA

Lubell S., . (1970). The hidden crisis in American politics. New York: Norton.

Chicago

Lubell Samuel, . 1970. The hidden crisis in American politics. New York: Norton.

Harvard

Lubell S., . (1970). The hidden crisis in American politics. New York: Norton.

MLA

Lubell Samuel, . The hidden crisis in American politics. New York: Norton. 1970.