Jones, M. K., & Underwood, M. G. (1992). The king's mother: Lady Margaret Beaufort, countess of Richmond and Derby (1. publ.). Cambridge University Press.
Chicago Style (17th ed.) CitationJones, Michael K., and Malcolm G. Underwood. The King's Mother: Lady Margaret Beaufort, Countess of Richmond and Derby. 1. publ. Cambridge [u.a.]: Cambridge University Press, 1992.
MLA (8th ed.) CitationJones, Michael K., and Malcolm G. Underwood. The King's Mother: Lady Margaret Beaufort, Countess of Richmond and Derby. 1. publ. Cambridge University Press, 1992.
Warning: These citations may not always be 100% accurate.