APA引文

Long, W. A. (1990). Fetal and neonatal cardiology. Saunders.

Chicago Style (17th ed.) Citation

Long, Walker A. Fetal and Neonatal Cardiology. Philadelphia, PA: Saunders, 1990.

MLA引文

Long, Walker A. Fetal and Neonatal Cardiology. Saunders, 1990.

警告：這些引文格式不一定是100％准確.