Paramount Pictures, McCarey, L., Kalmar, B., Ruby, H., Sheekman, A., Perrin, N., . . . Marx, Z. (1997). Duck soup. Image Entertainment.
Cita Chicago Style (17a ed.)Paramount Pictures, et al. Duck Soup. [Chatsworth]: Image Entertainment, 1997.
Cita MLA (8a ed.)Paramount Pictures, et al. Duck Soup. Image Entertainment, 1997.
Precaución: Estas citas no son 100% exactas.