APA (7th ed.) Citation

Radulfus Niger & Anstruther, R. (1967). Radulfi Nigri chronica: = The chronicles of Ralph Niger (1851 Repr.). Franklin.

Chicago Style (17th ed.) Citation

Radulfus Niger and Robert Anstruther. Radulfi Nigri Chronica: = The Chronicles of Ralph Niger. 1851 Repr. New York: Franklin, 1967.

MLA (9th ed.) Citation

Radulfus Niger and Robert Anstruther. Radulfi Nigri Chronica: = The Chronicles of Ralph Niger. 1851 Repr. Franklin, 1967.