Cita APA

Blume, S. (2002). Looking at the unborn: Historical aspects of obstetric ultrasound.

Chicago Style Citation

Blume, Stuart. Looking At the Unborn: Historical Aspects of Obstetric Ultrasound. 2002.

Cita MLA

Blume, Stuart. Looking At the Unborn: Historical Aspects of Obstetric Ultrasound. 2002.

Atenció: Aquestes cites poden no estar 100% correctes.