APA (7th ed.) Citation

Collins, R. (1995). Early medieval Spain: Unity in diversity, 400-1000 (2nd ed.). Macmillan.

Chicago Style (17th ed.) Citation

Collins, Roger. Early Medieval Spain: Unity in Diversity, 400-1000. 2nd ed. Basingstoke, Hants, Eng: Macmillan, 1995.

MLA (9th ed.) Citation

Collins, Roger. Early Medieval Spain: Unity in Diversity, 400-1000. 2nd ed. Macmillan, 1995.