APA (7th ed.) Citation

Khoo. (1991). His Majesty Sultan Azlan Shah. Pelanduk Publications.

Chicago Style (17th ed.) Citation

Khoo. His Majesty Sultan Azlan Shah. Selangor: Pelanduk Publications, 1991.

MLA (8th ed.) Citation

Khoo. His Majesty Sultan Azlan Shah. Pelanduk Publications, 1991.