Cita APA (7a ed.)

Goldstein, H., & Levitt, E. (1968). A reading readiness workbook in spatial discrimination. Parkinson Division, Follett Educational Corp.

Cita Chicago Style (17a ed.)

Goldstein, Herbert, y Edith Levitt. A Reading Readiness Workbook in Spatial Discrimination. [Urbana, Ill.]: Parkinson Division, Follett Educational Corp, 1968.

Cita MLA (8a ed.)

Goldstein, Herbert, y Edith Levitt. A Reading Readiness Workbook in Spatial Discrimination. Parkinson Division, Follett Educational Corp, 1968.