APA

Schettler C., . (1960). Public opinion in American society. : Harper & Brother Publishers, New York.

Chicago

Schettler Clarence, . 1960. Public opinion in American society. : Harper & Brother Publishers, New York.

Harvard

Schettler C., . (1960). Public opinion in American society. : Harper & Brother Publishers, New York.

MLA

Schettler Clarence, . Public opinion in American society. : Harper & Brother Publishers, New York. 1960.