Cita APA (7a ed.)

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.