APA (7th ed.) Citation

Thornhill, J. (2007). This is my planet: The kids' guide to global warming. Maple Tree Press.

Chicago Style (17th ed.) Citation

Thornhill, Jan. This Is My Planet: The Kids' Guide to Global Warming. Toronto: Maple Tree Press, 2007.

MLA (9th ed.) Citation

Thornhill, Jan. This Is My Planet: The Kids' Guide to Global Warming. Maple Tree Press, 2007.