Gaya APA

Cunningham, F, G. et al (2013). Obstetri Williams 2 (23) (Edisi 23 | Vol. 2 | Cet. 2023, 2014, 2019). Jakarta: EGC.

Gaya MLA

Cunningham, F., Gary. et al. "Obstetri Williams 2 (23)". Edisi 23 | Vol. 2 | Cet. 2023, 2014, 2019 Jakarta: EGC, 2013. Textbook.