APA (7th ed.) Citation

Mahathir bin Mohamad, D. S. (1986). The Challenge. Pelanduk publication.

Chicago Style (17th ed.) Citation

Mahathir bin Mohamad, Dato' Seri. The Challenge. Petaling Jaya: Pelanduk publication, 1986.

MLA (8th ed.) Citation

Mahathir bin Mohamad, Dato' Seri. The Challenge. Pelanduk publication, 1986.

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