APA Edition Citation

F R A Hopgood. (1983). Introduction to the graphical kernel system (GKS). Academic Press.

Chicago Edition Citation

F R A Hopgood. Introduction to the Graphical Kernel System (GKS). Academic Press, 1983.

MLA Edition Citation

F R A Hopgood. Introduction to the Graphical Kernel System (GKS). Academic Press, 1983.

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