APA (7th ed.) Citation

McCabe, L. C. (1939). Some problems related to the preparation of Illinois coals. [publisher not identified].

Chicago Style (17th ed.) Citation

McCabe, Louis Cordell. Some Problems Related to the Preparation of Illinois Coals. Urbana: [publisher not identified], 1939.

MLA (9th ed.) Citation

McCabe, Louis Cordell. Some Problems Related to the Preparation of Illinois Coals. [publisher not identified], 1939.

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