APA (7th ed.) Citation

Rustia, L. H. The barter trade system in Southern Philippines: Zamboanga and Sulu.

Chicago Style (17th ed.) Citation

Rustia, Lino H. The Barter Trade System in Southern Philippines: Zamboanga and Sulu.

MLA (9th ed.) Citation

Rustia, Lino H. The Barter Trade System in Southern Philippines: Zamboanga and Sulu.

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