APA (7th ed.) Citation

Emerton, E. (1888). An Introduction to the study of the middle ages (375-814). S.n.

Chicago Style (17th ed.) Citation

Emerton, Ephraim. An Introduction to the Study of the Middle Ages (375-814). Boston: S.n, 1888.

MLA (9th ed.) Citation

Emerton, Ephraim. An Introduction to the Study of the Middle Ages (375-814). S.n, 1888.

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