APA引文

Gudmundsson, S. (1989). Doppler ultrasound recordings of placental blood velocity waveforms. [Drucker:] Team Offset.

Chicago Style (17th ed.) Citation

Gudmundsson, Saemundur. Doppler Ultrasound Recordings of Placental Blood Velocity Waveforms. Malmö: [Drucker:] Team Offset, 1989.

MLA引文

Gudmundsson, Saemundur. Doppler Ultrasound Recordings of Placental Blood Velocity Waveforms. [Drucker:] Team Offset, 1989.

警告：这些引文格式不一定是100％准确.