APA (7th ed.) Citation

Wells, A. A. M., & Harrison, M. (1961). Eighteenth century (1. publ., 2. impression.). Allen & Unwin.

Chicago Style (17th ed.) Citation

Wells, A. A. M., and Molly Harrison. Eighteenth Century. 1. publ., 2. impression. London: Allen & Unwin, 1961.

MLA (9th ed.) Citation

Wells, A. A. M., and Molly Harrison. Eighteenth Century. 1. publ., 2. impression. Allen & Unwin, 1961.