APA (7th ed.) Citation

Ooi, K. B. (2017). Yusof Ishak, a man of many firsts. ISEAS-Yusof Ishak Institute.

Chicago Style (17th ed.) Citation

Ooi, Kee Beng. Yusof Ishak, a Man of Many Firsts. Singapore: ISEAS-Yusof Ishak Institute, 2017.

MLA (9th ed.) Citation

Ooi, Kee Beng. Yusof Ishak, a Man of Many Firsts. ISEAS-Yusof Ishak Institute, 2017.

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