APA (7th ed.) Citation

Yap Siang Yong. (1995). Fortress Singapore: The battlefield guide. Times Books International.

Chicago Style (17th ed.) Citation

Yap Siang Yong. Fortress Singapore: The Battlefield Guide. Singapore: Times Books International, 1995.

MLA (9th ed.) Citation

Yap Siang Yong. Fortress Singapore: The Battlefield Guide. Times Books International, 1995.

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