APA (7th ed.) Citation

Warren. (1981). The Sulu Zone 1768-1898: The dynamics of external trade, slavery, and ethnicity... Singapore University Press.

Chicago Style (17th ed.) Citation

Warren. The Sulu Zone 1768-1898: The Dynamics of External Trade, Slavery, and Ethnicity... Singapore: Singapore University Press, 1981.

MLA (8th ed.) Citation

Warren. The Sulu Zone 1768-1898: The Dynamics of External Trade, Slavery, and Ethnicity... Singapore University Press, 1981.

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