Cita APA (7a ed.)

Matteoni, L. (1988). The copper sky. McGraw-Hill.

Cita Chicago Style (17a ed.)

Matteoni, Louise. The Copper Sky. New York: McGraw-Hill, 1988.

Cita MLA (8a ed.)

Matteoni, Louise. The Copper Sky. McGraw-Hill, 1988.