APA (7th ed.) Citation

Walker, R. D. (1988). Modula-2 library modules: A programmer's reference. Tab Books.

Chicago Style (17th ed.) Citation

Walker, Robert D. Modula-2 Library Modules: A Programmer's Reference. Blue Ridge Summit, PA: Tab Books, 1988.

MLA (9th ed.) Citation

Walker, Robert D. Modula-2 Library Modules: A Programmer's Reference. Tab Books, 1988.