APA (7th ed.) Citation

(1991). Holdings of Research Libraries in U.S. and Canada, 1989-90.

Chicago Style (17th ed.) Citation

Holdings of Research Libraries in U.S. and Canada, 1989-90. 1991.

MLA (9th ed.) Citation

Holdings of Research Libraries in U.S. and Canada, 1989-90. 1991.

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