Cita APA (7th ed.)

MADDEN, R. (1974). Harbrace spelling program. Harcourt brace jovanvich.

Cita Chicago (17th ed.)

MADDEN, Richard. Harbrace Spelling Program. New York: Harcourt brace jovanvich, 1974.

Cita MLA (9th ed.)

MADDEN, Richard. Harbrace Spelling Program. Harcourt brace jovanvich, 1974.