APA

Heywood J., . (19881987). The Berkut. New York: Dell Pub.

Chicago

Heywood Joseph, . 19881987. The Berkut. New York: Dell Pub.

Harvard

Heywood J., . (19881987). The Berkut. New York: Dell Pub.

MLA

Heywood Joseph, . The Berkut. New York: Dell Pub. 19881987.