APA (7th ed.) Citation

Harun Yahya. (2005). Allah is known through reason. Goodword Books.

Chicago Style (17th ed.) Citation

Harun Yahya. Allah Is Known Through Reason. New Delhi: Goodword Books, 2005.

MLA (9th ed.) Citation

Harun Yahya. Allah Is Known Through Reason. Goodword Books, 2005.

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