APA (7th ed.) Citation

Steidle, E. (1952). Mineral forecast 2000 A.D. [publisher not identified].

Chicago Style (17th ed.) Citation

Steidle, Edward. Mineral Forecast 2000 A.D. State College, Pa.: [publisher not identified], 1952.

MLA (9th ed.) Citation

Steidle, Edward. Mineral Forecast 2000 A.D. [publisher not identified], 1952.