Gaya APA

Rice, E, W. et al (2012). Standard Methods For the Examination of Water and Wastewater: 22ND Edition (22ND). United States of America: American Public Health Association.

Gaya MLA

Rice, Eugene, W. et al. "Standard Methods For the Examination of Water and Wastewater: 22ND Edition". 22ND United States of America: American Public Health Association, 2012. Text.