APA (7th ed.) Citation

Ostrea, E., & Elicano, V. Outlook of gold in the Philippine Islands. Philippine Engineering Journal.

Chicago Style (17th ed.) Citation

Ostrea, Enrique, and V. Elicano. "Outlook of Gold in the Philippine Islands." Philippine Engineering Journal .

MLA (9th ed.) Citation

Ostrea, Enrique, and V. Elicano. "Outlook of Gold in the Philippine Islands." Philippine Engineering Journal, .

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