APA Style

Harcourt, H, M. (2013). How do living things survive in their environment? (G2 Blue 9) . : Houghton Mifflin Harcourt.

MLA Style

Harcourt, Houghton, Mifflin. "How do living things survive in their environment? (G2 Blue 9)". : Houghton Mifflin Harcourt, 2013. BOOK.