APA Style
Eaton, A, D. et al (2005).
STANDARD METHODS FOR THE EXAMINATION OF WATER & WASTEWATER 21st Edition (Ed.21).
Washington:
American Public Health Association.
MLA Style
Eaton, Andrew, D.. et al.
"STANDARD METHODS FOR THE EXAMINATION OF WATER & WASTEWATER 21st Edition".
Ed.21
Washington:
American Public Health Association,
2005.
Text.