APA (7th ed.) Citation

Hopgood, F. R. A., & Duce, D. A. (1991). A primer for PHIGS. Wiley.

Chicago Style (17th ed.) Citation

Hopgood, F. R. A., and David A. Duce. A Primer for PHIGS. Chichester ; New York: Wiley, 1991.

MLA (9th ed.) Citation

Hopgood, F. R. A., and David A. Duce. A Primer for PHIGS. Wiley, 1991.