Johnson, R., & Das, P. (2021). Sound Waves. Smartbook Media Inc.
https://learn.openlightbox.com/TASubscription/92fe5023-7012-4c62-a2bf-77a2d5dd0963/9081e918-aca7-4d85-8f61-2ac49ebd27ee/5/240
The Chicago Manual of Style (Chicago)
Johnson, Robin, and Priyanka
Das. Sound Waves. Waves: Light and Sound. New York: Smartbook Media Inc., 2021,
https://learn.openlightbox.com/TASubscription/92fe5023-7012-4c62-a2bf-77a2d5dd0963/9081e918-aca7-4d85-8f61-2ac49ebd27ee/5/240. Accessed
28 Jun. 2025.
The Modern Language Association of America (MLA)
Johnson, Robin, and Priyanka
Das. Sound Waves. Smartbook Media Inc., 2021. Waves: Light and Sound. Lightbox Nonfiction Subscription,
https://learn.openlightbox.com/TASubscription/92fe5023-7012-4c62-a2bf-77a2d5dd0963/9081e918-aca7-4d85-8f61-2ac49ebd27ee/5/240.
