Cita APA (7th ed.)

Markley, R. History, Theory, and Virtual Reality: Introduction / Robert Markley. Virtual realities and their discontents.(1996).

Cita Chicago (17th ed.)

Markley, Robert. "History, Theory, and Virtual Reality: Introduction / Robert Markley." Virtual Realities and Their Discontents.(1996) .

Cita MLA (8th ed.)

Markley, Robert. "History, Theory, and Virtual Reality: Introduction / Robert Markley." Virtual Realities and Their Discontents.(1996), .