APA (7th ed.) Citation

NGSS Lead States. (2013). Next generation science standards: For states, by states. National Academies Press.

Chicago Style (17th ed.) Citation

NGSS Lead States. Next Generation Science Standards: For States, by States. Washington, D.C.: National Academies Press, 2013.

MLA (8th ed.) Citation

NGSS Lead States. Next Generation Science Standards: For States, by States. National Academies Press, 2013.

Warning: These citations may not always be 100% accurate.