APA Style

DUFFY, G, G. (2009). Explaining reading : a resource for teaching concepts, skills, and strategies 2nd ed. (2nd ed.). New York: The Guilford.

MLA Style

DUFFY, Gerald, G.. "Explaining reading : a resource for teaching concepts, skills, and strategies 2nd ed.". 2nd ed. New York: The Guilford, 2009. E-Book.