Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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