Cita APA (7a ed.)

Johnson, N. R. (1978). The political, economic, and labor climate in Peru. Industrial Research Unit, Wharton School, University of Pennsylvania.

Cita Chicago Style (17a ed.)

Johnson, Nancy R. The Political, Economic, and Labor Climate in Peru. Philadelphia: Industrial Research Unit, Wharton School, University of Pennsylvania, 1978.

Cita MLA (8a ed.)

Johnson, Nancy R. The Political, Economic, and Labor Climate in Peru. Industrial Research Unit, Wharton School, University of Pennsylvania, 1978.