APA (7th ed.) Citation

Persson, P., Grennert, L., & Gennser, G. (1978). Ultrasound screening in pregnancy: Methodology and significance. Almqvist & Wiksell.

Chicago Style (17th ed.) Citation

Persson, Per-Håkan, Lars Grennert, and Gerhard Gennser. Ultrasound Screening in Pregnancy: Methodology and Significance. Stockholm: Almqvist & Wiksell, 1978.

MLA (9th ed.) Citation

Persson, Per-Håkan, et al. Ultrasound Screening in Pregnancy: Methodology and Significance. Almqvist & Wiksell, 1978.