APA (7th ed.) Citation

Wester, P. J. Mindanao and the Sulu Archipelago: Their natural resources and opportunities for development (2nd rev. ed.). Bureau of Printing.

Chicago Style (17th ed.) Citation

Wester, Peter Johnson. Mindanao and the Sulu Archipelago: Their Natural Resources and Opportunities for Development. 2nd rev. ed. Manila: Bureau of Printing.

MLA (9th ed.) Citation

Wester, Peter Johnson. Mindanao and the Sulu Archipelago: Their Natural Resources and Opportunities for Development. 2nd rev. ed. Bureau of Printing.

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