Frith, M., & O'Brien, J. (2005). Who was Thomas Alva Edison? Grosset & Dunlap.
Chicago Style (17th ed.) CitationFrith, Margaret, and John O'Brien. Who Was Thomas Alva Edison? New York: Grosset & Dunlap, 2005.
MLA (8th ed.) CitationFrith, Margaret, and John O'Brien. Who Was Thomas Alva Edison? Grosset & Dunlap, 2005.
Warning: These citations may not always be 100% accurate.