APA (7th ed.) Citation

Twitchett, J., & Bailey, B. (1980). Royal Crown Derby / (by) John Twitchett and Betty Bailey (2nd ed.). Barrie and Jenkins.

Chicago Style (17th ed.) Citation

Twitchett, John, and Betty Bailey. Royal Crown Derby / (by) John Twitchett and Betty Bailey. 2nd ed. London (etc.): Barrie and Jenkins, 1980.

MLA (9th ed.) Citation

Twitchett, John, and Betty Bailey. Royal Crown Derby / (by) John Twitchett and Betty Bailey. 2nd ed. Barrie and Jenkins, 1980.

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