APA (7th ed.) Citation

Sydney, E., Thomsen, C., & Tompkins, M. D. (1950). Adult education activities for public libraries. UNESCO.

Chicago Style (17th ed.) Citation

Sydney, Edward, Carl Thomsen, and Miriam D. Tompkins. Adult Education Activities for Public Libraries. [Paris]: UNESCO, 1950.

MLA (9th ed.) Citation

Sydney, Edward, et al. Adult Education Activities for Public Libraries. UNESCO, 1950.