APA (7th ed.) Citation

Ferber, R., & Verdoorn, P. J. (1962). Research methods in economics & business. Macmillan.

Chicago Style (17th ed.) Citation

Ferber, Robert, and P. J. Verdoorn. Research Methods in Economics & Business. New york: Macmillan, 1962.

MLA (9th ed.) Citation

Ferber, Robert, and P. J. Verdoorn. Research Methods in Economics & Business. Macmillan, 1962.