McBride, A. K. (1971). The Pearl and the Seed. Booklet 3. Boston.
Cita Chicago Style (17a ed.)McBride, Alfred; Kirchoff. The Pearl and the Seed. Booklet 3. Boston, 1971.
Cita MLA (8a ed.)McBride, Alfred; Kirchoff. The Pearl and the Seed. Booklet 3. Boston, 1971.
Precaución: Estas citas no son 100% exactas.