APA (7th ed.) Citation

Secor, E. S. Coal recovery from bituminous coal surface mines in the eastern United States: A survey.

Chicago Style (17th ed.) Citation

Secor, Edwin S. Coal Recovery from Bituminous Coal Surface Mines in the Eastern United States: A Survey.

MLA (9th ed.) Citation

Secor, Edwin S. Coal Recovery from Bituminous Coal Surface Mines in the Eastern United States: A Survey.

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