Cita APA (7a ed.)
Sharp, A. M., Register, C. A., & Grimes, P. W. (1998). Economics of social issues (13th ed.). Irwin/McGraw-Hill.
Cita Chicago Style (17a ed.)
Sharp, Ansel Miree, Charles A. Register, y Paul W. Grimes. Economics of Social Issues. 13th ed. Boston, Mass.: Irwin/McGraw-Hill, 1998.
Cita MLA (9a ed.)
Sharp, Ansel Miree, et al. Economics of Social Issues. 13th ed. Irwin/McGraw-Hill, 1998.
Precaución: Estas citas no son 100% exactas.