APA (7th ed.) Citation

Herweck, D. (2015). Gravity. Teacher Created Materials.

Chicago Style (17th ed.) Citation

Herweck, Don. Gravity. Huntington Beach, CA: Teacher Created Materials, 2015.

MLA (9th ed.) Citation

Herweck, Don. Gravity. Teacher Created Materials, 2015.

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