Cita APA (7th ed.)

Ball, M. M. (1971). The "Open" Commonwealth. Duke U.Pr..

Cita Chicago (17th ed.)

Ball, M. Margaret. The "Open" Commonwealth. Durham, N.C.: Duke U.Pr., 1971.

Cita MLA (9th ed.)

Ball, M. Margaret. The "Open" Commonwealth. Duke U.Pr., 1971.