APA (7th ed.) Citation

Warren, J. F. (2007). The Sulu zone 1768-1898. NUS Press.

Chicago Style (17th ed.) Citation

Warren, James Francis. The Sulu Zone 1768-1898. Singapore: NUS Press, 2007.

MLA (9th ed.) Citation

Warren, James Francis. The Sulu Zone 1768-1898. NUS Press, 2007.

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