APA (7th ed.) Citation

Mahathir bin Mohamad. (1986). The challenge. Pelanduk Publications.

Chicago Style (17th ed.) Citation

Mahathir bin Mohamad. The Challenge. Petaling Jaya: Pelanduk Publications, 1986.

MLA (8th ed.) Citation

Mahathir bin Mohamad. The Challenge. Pelanduk Publications, 1986.

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