APA (7th ed.) Citation

Rand, E. K. (1928). Founders of the middle ages. Harvard university press.

Chicago Style (17th ed.) Citation

Rand, Edward Kennard. Founders of the Middle Ages. Cambridge: Harvard university press, 1928.

MLA (9th ed.) Citation

Rand, Edward Kennard. Founders of the Middle Ages. Harvard university press, 1928.