APA

Pike E. R., . (1966). Hard times: human documents of the industrial revolution. New York: F. A. Praeger.

Chicago

Pike E Royston, . 1966. Hard times: human documents of the industrial revolution. New York: F. A. Praeger.

Harvard

Pike E. R., . (1966). Hard times: human documents of the industrial revolution. New York: F. A. Praeger.

MLA

Pike E Royston, . Hard times: human documents of the industrial revolution. New York: F. A. Praeger. 1966.