APA (7th ed.) Citation
(1989). The Horn book guide to children's and young adult books. Horn Book.
Chicago Style (17th ed.) Citation
The Horn Book Guide to Children's and Young Adult Books. Boston, MA: Horn Book, 1989.
MLA (9th ed.) Citation
The Horn Book Guide to Children's and Young Adult Books. Horn Book, 1989.
Warning: These citations may not always be 100% accurate.