APA (7th ed.) Citation

Jackman, H. W. (1955). Comparison of mine sizes of Southern Illinois coals for use in metallurgical coke. [publisher not identified].

Chicago Style (17th ed.) Citation

Jackman, H. W. Comparison of Mine Sizes of Southern Illinois Coals for Use in Metallurgical Coke. Urbana: [publisher not identified], 1955.

MLA (9th ed.) Citation

Jackman, H. W. Comparison of Mine Sizes of Southern Illinois Coals for Use in Metallurgical Coke. [publisher not identified], 1955.