APA (7. basım) Alıntı

Cunningham, F. G. (2011). Williams Obstetricia (23.ed.). Mc Graw Hill.

Chicago Style (17. basım) Atıf

Cunningham, F. Gary. Williams Obstetricia. 23.ed. Mexico: Mc Graw Hill, 2011.

MLA (9th ed.) Atıf

Cunningham, F. Gary. Williams Obstetricia. 23.ed. Mc Graw Hill, 2011.