APA (7th ed.) Citation

(1989). Coal mine directory: United States and Canada. Maclean Hunter.

Chicago Style (17th ed.) Citation

Coal Mine Directory: United States and Canada. Chicago, Illinois: Maclean Hunter, 1989.

MLA (9th ed.) Citation

Coal Mine Directory: United States and Canada. Maclean Hunter, 1989.

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