Ludwig, S. (1985). Pediatric emergencies. Churchill Livingstone.
芝加哥风格引文Ludwig, Stephen. Pediatric Emergencies. New York: Churchill Livingstone, 1985.
MLA引文Ludwig, Stephen. Pediatric Emergencies. Churchill Livingstone, 1985.
警告：这些引文格式不一定是100％准确.
APA引文