APA (7th ed.) Citation

Day, S. F. (1990). Horn book index, 1924-1989. Oryx Press.

Chicago Style (17th ed.) Citation

Day, Serenna F. Horn Book Index, 1924-1989. Phoenix, AZ: Oryx Press, 1990.

MLA (9th ed.) Citation

Day, Serenna F. Horn Book Index, 1924-1989. Oryx Press, 1990.

Warning: These citations may not always be 100% accurate.