APA (7th ed.) Citation

Brotzen, O., & Obial, R. (1963). Geochemical prospecting applied in the Philippines. Bureau of Mines.

Chicago Style (17th ed.) Citation

Brotzen, O., and R. Obial. Geochemical Prospecting Applied in the Philippines. Manila: Bureau of Mines, 1963.

MLA (9th ed.) Citation

Brotzen, O., and R. Obial. Geochemical Prospecting Applied in the Philippines. Bureau of Mines, 1963.

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