APA (7th ed.) Citation

Waddell, H. (1933). A book of medieval latin for schools (3rd. ed.). Constable.

Chicago Style (17th ed.) Citation

Waddell, Helen. A Book of Medieval Latin for Schools. 3rd. ed. London: Constable, 1933.

MLA (9th ed.) Citation

Waddell, Helen. A Book of Medieval Latin for Schools. 3rd. ed. Constable, 1933.