APA (7th ed.) Citation

Wood, T., & Hewetson, N. (1992). What happened then?: A first look at history. Award Publications.

Chicago Style (17th ed.) Citation

Wood, Tim, and Nick Hewetson. What Happened Then?: A First Look at History. London: Award Publications, 1992.

MLA (9th ed.) Citation

Wood, Tim, and Nick Hewetson. What Happened Then?: A First Look at History. Award Publications, 1992.