APA (7th ed.) Citation

Grady. (1998). Virtual reality: Computers mimic the physical world. Facts on file.

Chicago Style (17th ed.) Citation

Grady. Virtual Reality: Computers Mimic the Physical World. New York: Facts on file, 1998.

MLA (9th ed.) Citation

Grady. Virtual Reality: Computers Mimic the Physical World. Facts on file, 1998.

Warning: These citations may not always be 100% accurate.