APA (7th ed.) Citation

Letcher, D. A. (1975). Identification and structural analysis of instructional programs for the underground coal miner in West Virginia. [publisher not identified].

Chicago Style (17th ed.) Citation

Letcher, Duane Allan. Identification and Structural Analysis of Instructional Programs for the Underground Coal Miner in West Virginia. [Place of publication not identified]: [publisher not identified], 1975.

MLA (9th ed.) Citation

Letcher, Duane Allan. Identification and Structural Analysis of Instructional Programs for the Underground Coal Miner in West Virginia. [publisher not identified], 1975.