APA (7th ed.) Citation

HASAN, S. Z. U. (1972). Why Religion. Dewan Da'wah Islamiyah Indonesia.

Chicago Style (17th ed.) Citation

HASAN, Syed Zafar Ul-. Why Religion. Dewan Da'wah Islamiyah Indonesia, 1972.

MLA (8th ed.) Citation

HASAN, Syed Zafar Ul-. Why Religion. Dewan Da'wah Islamiyah Indonesia, 1972.

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