Cita APA (7a ed.)

Eckaus, R. S. (1972). Basic economics (1a. ed.). Bronw and Company.

Cita Chicago Style (17a ed.)

Eckaus, Richard S. Basic Economics. 1a. ed. Estados Unidos: Bronw and Company, 1972.

Cita MLA (9a ed.)

Eckaus, Richard S. Basic Economics. 1a. ed. Bronw and Company, 1972.