APA (7th ed.) Citation

Leverkus, W., & Colquhoun, E. P. (1848). An authentic interpretation of the guarantee of England and France with reference to the duchy of Schleswig. [publisher not identified].

Chicago Style (17th ed.) Citation

Leverkus, Wilh., and Ewing Pye Colquhoun. An Authentic Interpretation of the Guarantee of England and France with Reference to the Duchy of Schleswig. [England]: [publisher not identified], 1848.

MLA (9th ed.) Citation

Leverkus, Wilh., and Ewing Pye Colquhoun. An Authentic Interpretation of the Guarantee of England and France with Reference to the Duchy of Schleswig. [publisher not identified], 1848.