APA (7th ed.) Citation

Del Mar, A. (1968). A history of the precious metals from the earliest times to the present (2. ed., rev.). Franklin.

Chicago Style (17th ed.) Citation

Del Mar, Alexander. A History of the Precious Metals from the Earliest Times to the Present. 2. ed., rev. New York: Franklin, 1968.

MLA (9th ed.) Citation

Del Mar, Alexander. A History of the Precious Metals from the Earliest Times to the Present. 2. ed., rev. Franklin, 1968.