APA

Kehn T. M., . (1957). Selected annotated bibliography of the geology of uranium-bearing coal and carbonaceous shale in the United States. Washington, DC: U.S. Government Print. Office.

Chicago

Kehn Thomas M, . 1957. Selected annotated bibliography of the geology of uranium-bearing coal and carbonaceous shale in the United States. Washington, DC: U.S. Government Print. Office.

Harvard

Kehn T. M., . (1957). Selected annotated bibliography of the geology of uranium-bearing coal and carbonaceous shale in the United States. Washington, DC: U.S. Government Print. Office.

MLA

Kehn Thomas M, . Selected annotated bibliography of the geology of uranium-bearing coal and carbonaceous shale in the United States. Washington, DC: U.S. Government Print. Office. 1957.