APA (7th ed.) Citation

Berry, J. N. (1969). Directory of library consultants. R. R. Bowker.

Chicago Style (17th ed.) Citation

Berry, John N. Directory of Library Consultants. New York: R. R. Bowker, 1969.

MLA (9th ed.) Citation

Berry, John N. Directory of Library Consultants. R. R. Bowker, 1969.