Cita APA (7th ed.)

Water Environment Federation. Operation of Water Resource Recovery Facilities Task Force. (2017). Operation of water resource recovery facilities, Mmanual of practice no. 11 (Seventh edition.). McGraw-Hill Education.

Cita Chicago (17th ed.)

Water Environment Federation. Operation of Water Resource Recovery Facilities Task Force. Operation of Water Resource Recovery Facilities, Mmanual of Practice No. 11. Seventh edition. New York: McGraw-Hill Education, 2017.

Cita MLA (9th ed.)

Water Environment Federation. Operation of Water Resource Recovery Facilities Task Force. Operation of Water Resource Recovery Facilities, Mmanual of Practice No. 11. Seventh edition. McGraw-Hill Education, 2017.