Παραπομπή σε μορφή APA (7η εκδ.)

Harvard University. Laboratory for Computer Graphics and Spatial Analysis. SYMPAP user's reference manual. The Laboratory.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Harvard University. Laboratory for Computer Graphics and Spatial Analysis. SYMPAP User's Reference Manual. [s.l.]: The Laboratory.

Παραπομπή σε μορφή MLA (9th εκδ.)

Harvard University. Laboratory for Computer Graphics and Spatial Analysis. SYMPAP User's Reference Manual. The Laboratory.