APA引文

Donald, I. (1969). Practical obstetric problems. Lloyd-Luke.

Chicago Style (17th ed.) Citation

Donald, Ian. Practical Obstetric Problems. London: Lloyd-Luke, 1969.

MLA引文

Donald, Ian. Practical Obstetric Problems. Lloyd-Luke, 1969.

警告：這些引文格式不一定是100％准確.