APA (7th ed.) Citation

Victorian Society, Hill, R., & Hall, M. (2008). The 1840s. The Victorian Society.

Chicago Style (17th ed.) Citation

Victorian Society, Rosemary Hill, and Michael Hall. The 1840s. London: The Victorian Society, 2008.

MLA (9th ed.) Citation

Victorian Society, et al. The 1840s. The Victorian Society, 2008.