APA (7th ed.) Citation

Campbell, H. C. (1973). Metropolitan Public-Library Research in Developing Countries.

Chicago Style (17th ed.) Citation

Campbell, H. C. Metropolitan Public-Library Research in Developing Countries. 1973.

MLA (9th ed.) Citation

Campbell, H. C. Metropolitan Public-Library Research in Developing Countries. 1973.

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