Cita APA (7a ed.)
George, A., & Janssen, A. (1994). Goodbye is not forever. Harvest House Publishers.
Cita Chicago Style (17a ed.)
George, Amy, y Al Janssen. Goodbye Is Not Forever. Eugene, OR: Harvest House Publishers, 1994.
Cita MLA (9a ed.)
George, Amy, y Al Janssen. Goodbye Is Not Forever. Harvest House Publishers, 1994.
Precaución: Estas citas no son 100% exactas.