APA引文

Obama, B., & Long, L. (2010). Of thee I sing: A letter to my daughters. Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Obama, Barack, and Loren Long. Of Thee I Sing: A Letter to My Daughters. New York: Alfred A. Knopf, 2010.

MLA引文

Obama, Barack, and Loren Long. Of Thee I Sing: A Letter to My Daughters. Alfred A. Knopf, 2010.

警告：這些引文格式不一定是100％准確.