Cita APA (7th ed.)

American Public Health Association, American Water Works Association, & Water Pollution Control Federation. (1976). Standard methods: For examination of water and wastewater (14th ed.). American Public Health Association.

Cita Chicago (17th ed.)

American Public Health Association, American Water Works Association, i Water Pollution Control Federation. Standard Methods: For Examination of Water and Wastewater. 14th ed. Washington, DC: American Public Health Association, 1976.

Cita MLA (9th ed.)

American Public Health Association, et al. Standard Methods: For Examination of Water and Wastewater. 14th ed. American Public Health Association, 1976.