Cita APA (7a ed.)
Spurr, W. A., Kellogg, L. S., & Smith, J. H. (1956). Business and Economic Statistics (5a.ed.). Richard D. Irwin, Inc.
Cita Chicago Style (17a ed.)
Spurr, William A., Lester S. Kellogg, y John H. Smith. Business and Economic Statistics. 5a.ed. Illinois: Richard D. Irwin, Inc, 1956.
Cita MLA (9a ed.)
Spurr, William A., et al. Business and Economic Statistics. 5a.ed. Richard D. Irwin, Inc, 1956.
Precaución: Estas citas no son 100% exactas.