APA (7th ed.) Citation

Walker, J. R. A. (1966). Information Bulletins in special libraries.

Chicago Style (17th ed.) Citation

Walker, J R A. Information Bulletins in Special Libraries. 1966.

MLA (9th ed.) Citation

Walker, J R A. Information Bulletins in Special Libraries. 1966.

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