Cita APA (7th ed.)

Leamer, E. W. (1978). Specification searches: Ad hoc inference with nonexperimental data. John Wiley and Sons.

Cita Chicago (17th ed.)

Leamer, Edward W. Specification Searches: Ad Hoc Inference with Nonexperimental Data. Nueva York: John Wiley and Sons, 1978.

Cita MLA (9th ed.)

Leamer, Edward W. Specification Searches: Ad Hoc Inference with Nonexperimental Data. John Wiley and Sons, 1978.