APA Style

Lappan, G, A. (2004). Connected Mathematics : Comparing and scaling, ratio, proportion, and percent [Grade 7] . New Jersey: Prentice Hall.

MLA Style

Lappan, Glenda...[et, Al.]. "Connected Mathematics : Comparing and scaling, ratio, proportion, and percent [Grade 7]". New Jersey: Prentice Hall, 2004. BOOK.