APA (7th ed.) Citation

Healy, G. W. (1974). After humanae vitae: Contraception and abortion. Philippine Studies.

Chicago Style (17th ed.) Citation

Healy, Gerald W. "After Humanae Vitae: Contraception and Abortion." Philippine Studies 1974.

MLA (9th ed.) Citation

Healy, Gerald W. "After Humanae Vitae: Contraception and Abortion." Philippine Studies, 1974.

Warning: These citations may not always be 100% accurate.