Cita APA (7a ed.)

O'Donnell, T. F., & Franchere, H. C. (1961). Harold Frederic. Twayne Publishers.

Cita Chicago Style (17a ed.)

O'Donnell, Thomas Francis, y Hoyt C. Franchere. Harold Frederic. New York: Twayne Publishers, 1961.

Cita MLA (8a ed.)

O'Donnell, Thomas Francis, y Hoyt C. Franchere. Harold Frederic. Twayne Publishers, 1961.