Cita APA (7a ed.)

(1966). virginia Richly Valvad. University Microfilms.

Cita Chicago Style (17a ed.)

Virginia Richly Valvad. Ann Arbor, Mich.: University Microfilms, 1966.

Cita MLA (9a ed.)

Virginia Richly Valvad. University Microfilms, 1966.