APA (7th ed.) Citation

Routledge, R., & Pepper, J. H. (1876). Discoveries and inventions of the nineteenth century (New ed., rev.). G. Routledge and Sons.

Chicago Style (17th ed.) Citation

Routledge, Robert, and John Henry Pepper. Discoveries and Inventions of the Nineteenth Century. New ed., rev. London ; New York: G. Routledge and Sons, 1876.

MLA (9th ed.) Citation

Routledge, Robert, and John Henry Pepper. Discoveries and Inventions of the Nineteenth Century. New ed., rev. G. Routledge and Sons, 1876.