Cita APA (7a ed.)

Glassner, A. S. (1989). An Introduction to ray tracing. Academic Press.

Cita Chicago Style (17a ed.)

Glassner, Andrew S. An Introduction to Ray Tracing. London [etc.]: Academic Press, 1989.

Cita MLA (9a ed.)

Glassner, Andrew S. An Introduction to Ray Tracing. Academic Press, 1989.