APA (7th ed.) Citation

Drepperd, C. W. (1958). American clocks & clockmakers (2. enlarged ed.). C. T. Branford Co.

Chicago Style (17th ed.) Citation

Drepperd, Carl W. American Clocks & Clockmakers. 2. enlarged ed. Boston, Mass: C. T. Branford Co, 1958.

MLA (9th ed.) Citation

Drepperd, Carl W. American Clocks & Clockmakers. 2. enlarged ed. C. T. Branford Co, 1958.