Cita APA (7a ed.)

Wicksell, K., Classen, E., & Robbins, L. C. (1977). Lectures on political economy. Augustus M. Kelley.

Cita Chicago Style (17a ed.)

Wicksell, Knut, E. Classen, y Lionel Charles Robbins. Lectures on Political Economy. Fairfield: Augustus M. Kelley, 1977.

Cita MLA (9a ed.)

Wicksell, Knut, et al. Lectures on Political Economy. Augustus M. Kelley, 1977.