Cita APA (7th ed.)

Medina, J. (1991). The outer limits of life. Oliver Nelson.

Cita Chicago (17th ed.)

Medina, John. The Outer Limits of Life. Nashville, TN: Oliver Nelson, 1991.

Cita MLA (9th ed.)

Medina, John. The Outer Limits of Life. Oliver Nelson, 1991.