APA (7th ed.) Citation

Woodruff, S. D. (1966). Methods of working coal and metal mines. Pergamon.

Chicago Style (17th ed.) Citation

Woodruff, Seth D. Methods of Working Coal and Metal Mines. Oxford: Pergamon, 1966.

MLA (8th ed.) Citation

Woodruff, Seth D. Methods of Working Coal and Metal Mines. Pergamon, 1966.

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