APA (7th ed.) Citation

Ferber, R., & Verdoorn, P. J. (1963). Research methods in economics & business (2nd printing.). MacMillan Company.

Chicago Style (17th ed.) Citation

Ferber, Robert, and Petrus Johannes Verdoorn. Research Methods in Economics & Business. 2nd printing. New York: MacMillan Company, 1963.

MLA (9th ed.) Citation

Ferber, Robert, and Petrus Johannes Verdoorn. Research Methods in Economics & Business. 2nd printing. MacMillan Company, 1963.

Warning: These citations may not always be 100% accurate.