Cita APA (7a ed.)

Aston, T. H., & Hill, C. (1967). Crisis in Europe, 1560-1660. Doubleday & Company.

Cita Chicago Style (17a ed.)

Aston, Trevor Henry, y Christopher Hill. Crisis in Europe, 1560-1660. Garden City, New York: Doubleday & Company, 1967.

Cita MLA (9a ed.)

Aston, Trevor Henry, y Christopher Hill. Crisis in Europe, 1560-1660. Doubleday & Company, 1967.