APA引文

Sierra, J., & Sweet, M. (2009). Sleepy little alphabet: A bedtime story from Alphabet Town. Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Sierra, Judy, and Melissa Sweet. Sleepy Little Alphabet: A Bedtime Story from Alphabet Town. New York: Alfred A. Knopf, 2009.

MLA引文

Sierra, Judy, and Melissa Sweet. Sleepy Little Alphabet: A Bedtime Story from Alphabet Town. Alfred A. Knopf, 2009.

警告：這些引文格式不一定是100％准確.