APA (7th ed.) Citation
Willsberger, J., Toynbee, A., & Cafiero, R. V. (1975). Clocks & watches: Six hundred years of the world's most beautiful timepieces. Dial Press.
Chicago Style (17th ed.) Citation
Willsberger, Johann, Arnold Toynbee, and Renée Vera Cafiero. Clocks & Watches: Six Hundred Years of the World's Most Beautiful Timepieces. New York: Dial Press, 1975.
MLA (9th ed.) Citation
Willsberger, Johann, et al. Clocks & Watches: Six Hundred Years of the World's Most Beautiful Timepieces. Dial Press, 1975.
Warning: These citations may not always be 100% accurate.