APA (7th ed.) Citation

Estrella, V. P. Ancient goldworking technology in Butuan, Northeastern Mindanao, Philippines.

Chicago Style (17th ed.) Citation

Estrella, Victor P. Ancient Goldworking Technology in Butuan, Northeastern Mindanao, Philippines. July 2017.

MLA (8th ed.) Citation

Estrella, Victor P. Ancient Goldworking Technology in Butuan, Northeastern Mindanao, Philippines.

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