OpenGameArt.org
Parsnippopolis
Credit line
"Parsnippopolis" by Spring Spring licensed CC-BY 4.0: https://opengameart.org/content/parsnippopolis Author's attribution notice: Produced by Julie Damsgaard/Spring Spring/Spring Enterprises @ https://spring-enterprises.neocities.org
Where to put it: Game credits or video description. If the entry has a "Copyright/Attribution Notice", follow that.