Cita APA (7a ed.)

Nyberg, D. A., Mahony, B. S., & Pretorius, D. (1990). Diagnostic ultrasound of fetal anomalies: Text and atlas. Mosby.

Cita Chicago Style (17a ed.)

Nyberg, David A., Barry S. Mahony, y Dolores Pretorius. Diagnostic Ultrasound of Fetal Anomalies: Text and Atlas. St. Louis [etc.]: Mosby, 1990.

Cita MLA (9a ed.)

Nyberg, David A., et al. Diagnostic Ultrasound of Fetal Anomalies: Text and Atlas. Mosby, 1990.