APA

Penkovskiy O, . (1965). The Penkovskiy Papers. New York: An Avon Book.

Chicago

Penkovskiy O, . 1965. The Penkovskiy Papers. New York: An Avon Book.

Harvard

Penkovskiy O, . (1965). The Penkovskiy Papers. New York: An Avon Book.

MLA

Penkovskiy O, . The Penkovskiy Papers. New York: An Avon Book. 1965.