Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.