APA引文

Carroll Roopam. Sammy The Snail. National Book Trust.

芝加哥风格引文

Carroll Roopam. Sammy The Snail. 2012 2012: National Book Trust.

MLA引文

Carroll Roopam. Sammy The Snail. National Book Trust.

警告：这些引文格式不一定是100％准确.