Cita APA (7a ed.)

MacDonald, A. H., Silk, L. S., & Saunders, P. (1979). The world of economics (2. Canadian ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

MacDonald, A. H., Leonard Solomon Silk, y Phillip Saunders. The World of Economics. 2. Canadian ed. Toronto [u.a.]: McGraw-Hill, 1979.

Cita MLA (9a ed.)

MacDonald, A. H., et al. The World of Economics. 2. Canadian ed. McGraw-Hill, 1979.