APA (7th ed.) Citation

(1990). Subject guide to books in print 1990-91. R.R.Bowker.

Chicago Style (17th ed.) Citation

Subject Guide to Books in Print 1990-91. New York: R.R.Bowker, 1990.

MLA (9th ed.) Citation

Subject Guide to Books in Print 1990-91. R.R.Bowker, 1990.

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