APA (7th ed.) Citation

UN. (1998). Guidelines and manual on the protection and rehabilitation of contaminated rivers. UN.

Chicago Style (17th ed.) Citation

UN. Guidelines and Manual on the Protection and Rehabilitation of Contaminated Rivers. NY: UN, 1998.

MLA (8th ed.) Citation

UN. Guidelines and Manual on the Protection and Rehabilitation of Contaminated Rivers. UN, 1998.

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