APA (7th ed.) Citation

Texas Natural Resource Conservation Commission. (1997). Environmental teaching guide: 21 more ways to bring the environment into the classroom : lesson plans on air quality, water quality, recycling, and waste management for grades K-6 (1997 ed.). Texas Natural Resource Conservation Commission.

Chicago Style (17th ed.) Citation

Texas Natural Resource Conservation Commission. Environmental Teaching Guide: 21 More Ways to Bring the Environment into the Classroom : Lesson Plans on Air Quality, Water Quality, Recycling, and Waste Management for Grades K-6. 1997 ed. Austin, TX: Texas Natural Resource Conservation Commission, 1997.

MLA (9th ed.) Citation

Texas Natural Resource Conservation Commission. Environmental Teaching Guide: 21 More Ways to Bring the Environment into the Classroom : Lesson Plans on Air Quality, Water Quality, Recycling, and Waste Management for Grades K-6. 1997 ed. Texas Natural Resource Conservation Commission, 1997.