APA (7th ed.) Citation

(1948). Bituminous coal annual. 1948-. Bituminous Coal Institute.

Chicago Style (17th ed.) Citation

Bituminous Coal Annual. 1948-. Washington: Bituminous Coal Institute, 1948.

MLA (9th ed.) Citation

Bituminous Coal Annual. 1948-. Bituminous Coal Institute, 1948.

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