Cita APA (7th ed.)

MATTEONI, L. [. a. (1984). Winterfall: The keytext program. The Economy Company.

Cita Chicago (17th ed.)

MATTEONI, Louise [et al]. Winterfall: The Keytext Program. Oklahoma City: The Economy Company, 1984.

Cita MLA (9th ed.)

MATTEONI, Louise [et al]. Winterfall: The Keytext Program. The Economy Company, 1984.