APA (7th ed.) Citation

Denmark & Denmark. Articles of peace and alliance, between the most serene and mighty Prince Charles II, by the grace of God, King of England, Scotland, France and Ireland, defender of the faith, &c. and the most serene and mighty Prince Frederick III, King of Denmark and Norway, concluded the 21/31 day of July, 1667.

Chicago Style (17th ed.) Citation

Denmark and Denmark. Articles of Peace and Alliance, Between the Most Serene and Mighty Prince Charles II, by the Grace of God, King of England, Scotland, France and Ireland, Defender of the Faith, &c. and the Most Serene and Mighty Prince Frederick III, King of Denmark and Norway, Concluded the 21/31 Day of July, 1667.

MLA (9th ed.) Citation

Denmark and Denmark. Articles of Peace and Alliance, Between the Most Serene and Mighty Prince Charles II, by the Grace of God, King of England, Scotland, France and Ireland, Defender of the Faith, &c. and the Most Serene and Mighty Prince Frederick III, King of Denmark and Norway, Concluded the 21/31 Day of July, 1667.

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