APA (7th ed.) Citation

Pearson, A. (2011). I think I love you (1st American ed.). Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Pearson, Allison. I Think I Love You. 1st American ed. New York: Alfred A. Knopf, 2011.

MLA (9th ed.) Citation

Pearson, Allison. I Think I Love You. 1st American ed. Alfred A. Knopf, 2011.