APA (7th ed.) Citation

Lamar, J. E. (1956). Illinois oil shales. [publisher not identified].

Chicago Style (17th ed.) Citation

Lamar, J. E. Illinois Oil Shales. Urbana: [publisher not identified], 1956.

MLA (9th ed.) Citation

Lamar, J. E. Illinois Oil Shales. [publisher not identified], 1956.

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