Cita APA (7a ed.)

Codding, K. G., & Gardner, M. F. (1993). Visual-perceptual development upper-level remedial activities: : booklet of general information. Psychological and educational publications.

Cita Chicago Style (17a ed.)

Codding, Karen Gardner, y Morrison F. Gardner. Visual-perceptual Development Upper-level Remedial Activities: : Booklet of General Information. Burlingame: Psychological and educational publications, 1993.

Cita MLA (9a ed.)

Codding, Karen Gardner, y Morrison F. Gardner. Visual-perceptual Development Upper-level Remedial Activities: : Booklet of General Information. Psychological and educational publications, 1993.