APA

Blalock H. M., . (1960). Social statistics. New York: McGraw-Hill.

Chicago

Blalock Hubert M, . 1960. Social statistics. New York: McGraw-Hill.

Harvard

Blalock H. M., . (1960). Social statistics. New York: McGraw-Hill.

MLA

Blalock Hubert M, . Social statistics. New York: McGraw-Hill. 1960.