APA引文

Bickford-Smith, P. (1986). Manual of Obstetric Anesthesia.

Citação norma Chicago

Bickford-Smith, P. Manual of Obstetric Anesthesia. 1986.

MLA引文

Bickford-Smith, P. Manual of Obstetric Anesthesia. 1986.

警告：這些引文格式不一定是100％准確.