APA (7th ed.) Citation

(1989). Books in print 1989-1990. R.R.Bowker.

Chicago Style (17th ed.) Citation

Books in Print 1989-1990. New York: R.R.Bowker, 1989.

MLA (9th ed.) Citation

Books in Print 1989-1990. R.R.Bowker, 1989.

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