Cita APA (7a ed.)

Heckbert, P. S. (1994). Graphics gems IV. AP Professional.

Cita Chicago Style (17a ed.)

Heckbert, Paul S. Graphics Gems IV. Boston [etc.]: AP Professional, 1994.

Cita MLA (9a ed.)

Heckbert, Paul S. Graphics Gems IV. AP Professional, 1994.