APA

Ketchum M. S., . (1912). The design of mine structures. New York: McGraw-Hill.

Chicago

Ketchum Milo S, . 1912. The design of mine structures. New York: McGraw-Hill.

Harvard

Ketchum M. S., . (1912). The design of mine structures. New York: McGraw-Hill.

MLA

Ketchum Milo S, . The design of mine structures. New York: McGraw-Hill. 1912.