APA (7th ed.) Citation

Huddle, J. W., & Englund, K. J. (1966). Geology and coal reserves of the Kermit and Varney area, Kentucky. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Huddle, John Warfield, and Kenneth John Englund. Geology and Coal Reserves of the Kermit and Varney Area, Kentucky. Washington: U.S. Govt. Print. Off, 1966.

MLA (9th ed.) Citation

Huddle, John Warfield, and Kenneth John Englund. Geology and Coal Reserves of the Kermit and Varney Area, Kentucky. U.S. Govt. Print. Off, 1966.