APA (7th ed.) Citation

Richard, S. (1990). Ultrasound: Eyewitness to the earliest days of life. Sound wave images.

Chicago Style (17th ed.) Citation

Richard, Shari. Ultrasound: Eyewitness to the Earliest Days of Life. Harness: Sound wave images, 1990.

MLA (9th ed.) Citation

Richard, Shari. Ultrasound: Eyewitness to the Earliest Days of Life. Sound wave images, 1990.

Warning: These citations may not always be 100% accurate.