APA (7th ed.) Citation

R.R. Bowker Company, Council of National Library Associations, & Wright, W. E. (1956). American library annual for ... R.R. Bowker.

Chicago Style (17th ed.) Citation

R.R. Bowker Company, Council of National Library Associations, and Wyllis E. Wright. American Library Annual for ... New York: R.R. Bowker, 1956.

MLA (8th ed.) Citation

R.R. Bowker Company, et al. American Library Annual for ... R.R. Bowker, 1956.