Cita APA (7th ed.)

Fuentes, C., & MacAdam, A. (1989). Christopher unborn (First American edition.). Farrar Straus Giroux.

Cita Chicago (17th ed.)

Fuentes, Carlos, i Alfred MacAdam. Christopher Unborn. First American edition. New York: Farrar Straus Giroux, 1989.

Cita MLA (9th ed.)

Fuentes, Carlos, i Alfred MacAdam. Christopher Unborn. First American edition. Farrar Straus Giroux, 1989.