APA (7th ed.) Citation

Harun Yahya. (2000). Allah is known through reason. Good Word Books.

Chicago Style (17th ed.) Citation

Harun Yahya. Allah Is Known Through Reason. India: Good Word Books, 2000.

MLA (8th ed.) Citation

Harun Yahya. Allah Is Known Through Reason. Good Word Books, 2000.

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