APA (7th ed.) Citation

Grondelski, J. M. Karol Wojtyla on Humanae vitae.

Chicago Style (17th ed.) Citation

Grondelski, John M. Karol Wojtyla on Humanae Vitae.

MLA (9th ed.) Citation

Grondelski, John M. Karol Wojtyla on Humanae Vitae.

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