Discoveries and inventions of the nineteenth century

MLA

Routledge, Robert. Discoveries and Inventions of the Nineteenth Century. New York: Crescent Books, 1989.

APA

Routledge, R. (1989). Discoveries and inventions of the nineteenth century. New York: Crescent Books.

Chicago

Routledge, Robert Discoveries and Inventions of the Nineteenth Century. New York: Crescent Books, 1989.