APA Style

Housel, D, J. (2007). Expanding and Preserving the Union : Leveled Texts for Social Study, Grades 4-8 . California: Shell Education Publishing.

MLA Style

Housel, Debra, J.. "Expanding and Preserving the Union : Leveled Texts for Social Study, Grades 4-8". California: Shell Education Publishing, 2007. BOOK.