Citazione Stile APA (7a Edizione)

STANDARD. (1998). Standard methods for the examination of water and wastewater.-- ed.20. APHA.

Citazione stile Chigago Style (17a edizione)

STANDARD. Standard Methods for the Examination of Water and Wastewater.-- Ed.20. Maryland: APHA, 1998.

Citatione MLA (9a ed.)

STANDARD. Standard Methods for the Examination of Water and Wastewater.-- Ed.20. APHA, 1998.