APA (7th ed.) Citation
Keene, S. (1989). Object-oriented programming in COMMON LISP: A programmer's quide to CLOS. Addison-Wesley.
Chicago Style (17th ed.) Citation
Keene, S.E. Object-oriented Programming in COMMON LISP: A Programmer's Quide to CLOS. Reading: Addison-Wesley, 1989.
MLA (9th ed.) Citation
Keene, S.E. Object-oriented Programming in COMMON LISP: A Programmer's Quide to CLOS. Addison-Wesley, 1989.
Warning: These citations may not always be 100% accurate.