APA citiranje

Villegas, B. M. (2001). The crisis of childless societies. Manila Bulletin.

Chicago Style (17th ed.) Citation

Villegas, Bernardo M. "The Crisis of Childless Societies." Manila Bulletin 2001.

MLA citiranje

Villegas, Bernardo M. "The Crisis of Childless Societies." Manila Bulletin, 2001.