MLA

Hartfeld, Hermann. Irina, a Love Stronger Than Terror. Chappaqua, N.Y.: Christian Herald Books, 1981.

APA

Hartfeld, H. (1981). Irina, a love stronger than terror. Chappaqua, N.Y.: Christian Herald Books.

Chicago

Hartfeld, Hermann, Irina, a Love Stronger Than Terror. Chappaqua, N.Y.: Christian Herald Books, 1981.