APA (7th ed.) Citation

(1988). American library directory (41st ed. 1988-89.). Bowker.

Chicago Style (17th ed.) Citation

American Library Directory. 41st ed. 1988-89. New York [etc.]: Bowker, 1988.

MLA (9th ed.) Citation

American Library Directory. 41st ed. 1988-89. Bowker, 1988.