Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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