Cita APA (7th ed.)
Qvortrup, L. Virtual Space: Spatiality in Virtual Inhabited 3D Worlds. Springer.
Cita Chicago (17th ed.)
Qvortrup, Lars. Virtual Space: Spatiality in Virtual Inhabited 3D Worlds. Londres, Inglaterra: Springer.
Cita MLA (9th ed.)
Qvortrup, Lars. Virtual Space: Spatiality in Virtual Inhabited 3D Worlds. Springer.
Atenció: Aquestes cites poden no estar 100% correctes.