APA (7th ed.) Citation

Soule, G. H. (1961). Economics: Measurement, theories, case studies. Holt, Rinehart and WInston.

Chicago Style (17th ed.) Citation

Soule, George Henry. Economics: Measurement, Theories, Case Studies. New York: Holt, Rinehart and WInston, 1961.

MLA (9th ed.) Citation

Soule, George Henry. Economics: Measurement, Theories, Case Studies. Holt, Rinehart and WInston, 1961.