APA Edition Citation

UNEP. (1991). Regional seas, Standard chemical methods for marine environmental monitoring.

Chicago Edition Citation

UNEP. Regional Seas, Standard Chemical Methods for Marine Environmental Monitoring. Neyork, UNEP, 1991.

MLA Edition Citation

UNEP. Regional Seas, Standard Chemical Methods for Marine Environmental Monitoring. 1991.

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