APA (7th ed.) Citation

Mahathir Bin Mohamad, T. D. (1986). The challenge. Pelanduk Publications.

Chicago Style (17th ed.) Citation

Mahathir Bin Mohamad, Tun Dr. The Challenge. Subang Jaya: Pelanduk Publications, 1986.

MLA (8th ed.) Citation

Mahathir Bin Mohamad, Tun Dr. The Challenge. Pelanduk Publications, 1986.

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