APA (7th ed.) Citation

Debrett's Peerage (Firm). (1999). Debrett's correct form (Rev. ed.). Headline.

Chicago Style (17th ed.) Citation

Debrett's Peerage (Firm). Debrett's Correct Form. Rev. ed. London: Headline, 1999.

MLA (9th ed.) Citation

Debrett's Peerage (Firm). Debrett's Correct Form. Rev. ed. Headline, 1999.

Warning: These citations may not always be 100% accurate.