APA Style

Lappan, G, A. (2009). Connected Mathematics 2: Comparing and Scaling [Ratio, Proportion, and Percent] . : Pearson Prentice Hall.

MLA Style

Lappan, Glenda..[et, Al.]. "Connected Mathematics 2: Comparing and Scaling [Ratio, Proportion, and Percent]". : Pearson Prentice Hall, 2009. BOOK.