Cita APA (7a ed.)

(1999). Hormones cause skin changes during pregnancy. Manila Bulletin.

Cita Chicago Style (17a ed.)

"Hormones Cause Skin Changes During Pregnancy." Manila Bulletin 1999.

Cita MLA (9a ed.)

"Hormones Cause Skin Changes During Pregnancy." Manila Bulletin, 1999.

Precaución: Estas citas no son 100% exactas.