APA (7th ed.) Citation

O'Brien, C. M. (2010). Birthmarked (1st ed., Advance reader's ed.). Roaring Brook Press.

Chicago Style (17th ed.) Citation

O'Brien, Caragh M. Birthmarked. 1st ed., Advance reader's ed. New York: Roaring Brook Press, 2010.

MLA (8th ed.) Citation

O'Brien, Caragh M. Birthmarked. 1st ed., Advance reader's ed. Roaring Brook Press, 2010.

Warning: These citations may not always be 100% accurate.