Cita APA (7a ed.)

Nordin, J. A., & Salera, V. (1950). Elementary economics. Prentice-Hall.

Cita Chicago Style (17a ed.)

Nordin, John A., y Virgil Salera. Elementary Economics. New York: Prentice-Hall, 1950.

Cita MLA (9a ed.)

Nordin, John A., y Virgil Salera. Elementary Economics. Prentice-Hall, 1950.