Cita APA (7th ed.)

Schubert, W. H., & López Schubert, A. L. (1984). Curriculum books: The first eighty years. University Press of America.

Cita Chicago (17th ed.)

Schubert, William Henry, i Ann Lynn López Schubert. Curriculum Books: The First Eighty Years. University Press of America, 1984.

Cita MLA (9th ed.)

Schubert, William Henry, i Ann Lynn López Schubert. Curriculum Books: The First Eighty Years. University Press of America, 1984.