Deschweinitz, K. (1924). The art of helping people out of trouble. Houghton Mifflin.
Cita Chicago Style (17a ed.)Deschweinitz, Karl. The Art of Helping People Out of Trouble. Boston [etc.]: Houghton Mifflin, 1924.
Cita MLA (9a ed.)Deschweinitz, Karl. The Art of Helping People Out of Trouble. Houghton Mifflin, 1924.
Precaución: Estas citas no son 100% exactas.