APA

Zahn T., Copyright Paperback Collection (Library of Congress), . (1988). Cobra bargain. New York: Baen Enterprises.

Chicago

Zahn Timothy, Copyright Paperback Collection (Library of Congress), . 1988. Cobra bargain. New York: Baen Enterprises.

Harvard

Zahn T., Copyright Paperback Collection (Library of Congress), . (1988). Cobra bargain. New York: Baen Enterprises.

MLA

Zahn Timothy, Copyright Paperback Collection (Library of Congress), . Cobra bargain. New York: Baen Enterprises. 1988.