APA (7th ed.) Citation

Earnshaw, R. A., Gigante, M. A., & Jones, H. (1993). Virtual reality systems. Academic Press.

Chicago Style (17th ed.) Citation

Earnshaw, Rae A., M. A. Gigante, and H. Jones. Virtual Reality Systems. London ; New York: Academic Press, 1993.

MLA (9th ed.) Citation

Earnshaw, Rae A., et al. Virtual Reality Systems. Academic Press, 1993.