APA (7th ed.) Citation

Wilson, L. L. (1932). Igorot mining methods. [s.n.].

Chicago Style (17th ed.) Citation

Wilson, Laurence Lee. Igorot Mining Methods. Baguio: [s.n.], 1932.

MLA (9th ed.) Citation

Wilson, Laurence Lee. Igorot Mining Methods. [s.n.], 1932.

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