APA (7th ed.) Citation

Li-lin Yang, Ying Zhou, & Song-ping Luo. (2015). A primary omental pregnancy after unilateral salpingectomy and unilateral tubal ligation. Elsevier.

Chicago Style (17th ed.) Citation

Li-lin Yang, Ying Zhou, and Song-ping Luo. A Primary Omental Pregnancy After Unilateral Salpingectomy and Unilateral Tubal Ligation. Elsevier, 2015.

MLA (9th ed.) Citation

Li-lin Yang, et al. A Primary Omental Pregnancy After Unilateral Salpingectomy and Unilateral Tubal Ligation. Elsevier, 2015.