APA (7th ed.) Citation

Jackman, H. W. (1956). Coking coals of Illinois: Their use in blends for metallurgical coke. [publisher not identified].

Chicago Style (17th ed.) Citation

Jackman, H. W. Coking Coals of Illinois: Their Use in Blends for Metallurgical Coke. Urbana: [publisher not identified], 1956.

MLA (9th ed.) Citation

Jackman, H. W. Coking Coals of Illinois: Their Use in Blends for Metallurgical Coke. [publisher not identified], 1956.

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