APA (7th ed.) Citation

Digital Equipment Corporation Software Writing Group. (1969). Introduction to programming: PDP-8 family of computers. Digital Equipment Corporation.

Chicago Style (17th ed.) Citation

Digital Equipment Corporation Software Writing Group. Introduction to Programming: PDP-8 Family of Computers. Maynard, Massachusetts: Digital Equipment Corporation, 1969.

MLA (9th ed.) Citation

Digital Equipment Corporation Software Writing Group. Introduction to Programming: PDP-8 Family of Computers. Digital Equipment Corporation, 1969.