APA Style

Calkins, L, M, K, A, G, B. (2013). Nonfiction Chapter Books Grade 1 Unit 2 Information . : Firsthand An Imprint of Heinemann.

MLA Style

Calkins, Lucy;, Mraz,, Kristine;, And, Golub,, Barbara. "Nonfiction Chapter Books Grade 1 Unit 2 Information". : Firsthand An Imprint of Heinemann, 2013. BOOK.