APA

Haffenden J., . (1980). John Berryman, a critical commentary. New York: New York University Press.

Chicago

Haffenden John, . 1980. John Berryman, a critical commentary. New York: New York University Press.

Harvard

Haffenden J., . (1980). John Berryman, a critical commentary. New York: New York University Press.

MLA

Haffenden John, . John Berryman, a critical commentary. New York: New York University Press. 1980.