APA (7th ed.) Citation

Smith, J. E., & O'Connor, J. C. (1994). Why Humanae vitae was right: A reader. National Book Store.

Chicago Style (17th ed.) Citation

Smith, Janet E., and John Cardinal O'Connor. Why Humanae Vitae Was Right: A Reader. Manila: National Book Store, 1994.

MLA (9th ed.) Citation

Smith, Janet E., and John Cardinal O'Connor. Why Humanae Vitae Was Right: A Reader. National Book Store, 1994.