APA (7th ed.) Citation

Ross Williamson, H. (1956). Historical whodunits. Macmillan.

Chicago Style (17th ed.) Citation

Ross Williamson, Hugh. Historical Whodunits. New York: Macmillan, 1956.

MLA (9th ed.) Citation

Ross Williamson, Hugh. Historical Whodunits. Macmillan, 1956.