APA (7th ed.) Citation

Mahathir bin Mohamad 1925. (1993). The challenge. Pelanduk Pub..

Chicago Style (17th ed.) Citation

Mahathir bin Mohamad 1925. The Challenge. Selangor: Pelanduk Pub., 1993.

MLA (9th ed.) Citation

Mahathir bin Mohamad 1925. The Challenge. Pelanduk Pub., 1993.

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