Cita APA (7a ed.)

Küng, H., & Haag, H. (1994). Infallible?: An unresolved enquire (New expanded ed. with a preface by Herbert Haag.). Continuum.

Cita Chicago Style (17a ed.)

Küng, Hans, y Herbert Haag. Infallible?: An Unresolved Enquire. New expanded ed. with a preface by Herbert Haag. New York: Continuum, 1994.

Cita MLA (9a ed.)

Küng, Hans, y Herbert Haag. Infallible?: An Unresolved Enquire. New expanded ed. with a preface by Herbert Haag. Continuum, 1994.