Debrett's guide to heraldry and regalia

MLA

Williamson, David, and Colin Cole. Debrett's Guide to Heraldry and Regalia. London: Headline, 1992.

APA

Williamson, D., & Cole, C. (1992). Debrett's guide to heraldry and regalia. London: Headline.

Chicago

Williamson, David, and Colin Cole. Debrett's Guide to Heraldry and Regalia. London: Headline, 1992.