Παραπομπή σε μορφή APA (7η εκδ.)

Howe, C. Q., & Purves, D. (2005). Perceiving Geometry: Geometrical Illusions Explained by Natural Scene Statistics. Springer US.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Howe, Catherine Q., και Dale Purves. Perceiving Geometry: Geometrical Illusions Explained by Natural Scene Statistics. Boston, MA: Springer US, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

Howe, Catherine Q., και Dale Purves. Perceiving Geometry: Geometrical Illusions Explained by Natural Scene Statistics. Springer US, 2005.