London, J. (2002). Froggy goes to the doctor. Viking.
芝加哥风格引文London, Jonathan. Froggy Goes to the Doctor. New York: Viking, 2002.
MLA引文London, Jonathan. Froggy Goes to the Doctor. Viking, 2002.
警告：这些引文格式不一定是100％准确.
APA引文
London, J. (2002). Froggy goes to the doctor. Viking.
芝加哥风格引文London, Jonathan. Froggy Goes to the Doctor. New York: Viking, 2002.
MLA引文London, Jonathan. Froggy Goes to the Doctor. Viking, 2002.