Gregory, J. (2019). An Essential Natural Resource. Smartbook Media Inc.
https://learn.openlightbox.com/TASubscription/92fe5023-7012-4c62-a2bf-77a2d5dd0963/9081e918-aca7-4d85-8f61-2ac49ebd27ee/5/53
The Chicago Manual of Style (Chicago)
Gregory, Joy. An Essential Natural Resource. Earth’s Precious Water. New York: Smartbook Media Inc., 2019,
https://learn.openlightbox.com/TASubscription/92fe5023-7012-4c62-a2bf-77a2d5dd0963/9081e918-aca7-4d85-8f61-2ac49ebd27ee/5/53. Accessed
28 Jun. 2025.
The Modern Language Association of America (MLA)
Gregory, Joy. An Essential Natural Resource. Smartbook Media Inc., 2019. Earth’s Precious Water. Lightbox Nonfiction Subscription,
https://learn.openlightbox.com/TASubscription/92fe5023-7012-4c62-a2bf-77a2d5dd0963/9081e918-aca7-4d85-8f61-2ac49ebd27ee/5/53.
