APA (7th ed.) Citation

Williams, F. (1965). A pattern of rulers / by Francis Williams. Longmans.

Chicago Style (17th ed.) Citation

Williams, Francis. A Pattern of Rulers / by Francis Williams. Longmans, 1965.

MLA (9th ed.) Citation

Williams, Francis. A Pattern of Rulers / by Francis Williams. Longmans, 1965.

Warning: These citations may not always be 100% accurate.