APA (7th ed.) Citation

Craig, T., & Terry, C. S. De unione regnorum Britanniae tractatus.

Chicago Style (17th ed.) Citation

Craig, Thomas, and Charles Sanford Terry. De Unione Regnorum Britanniae Tractatus.

MLA (9th ed.) Citation

Craig, Thomas, and Charles Sanford Terry. De Unione Regnorum Britanniae Tractatus.

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