APA (7th ed.) Citation

Aston, M. (1968). The fifteenth century: The prospect of Europe ([1st American ed.). Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Aston, Margaret. The Fifteenth Century: The Prospect of Europe. [1st American ed. New York]: Harcourt, Brace & World, 1968.

MLA (9th ed.) Citation

Aston, Margaret. The Fifteenth Century: The Prospect of Europe. [1st American ed. Harcourt, Brace & World, 1968.