APA (7th ed.) Citation

Thornburg, M. W., Soule, G. H., & Spry, G. (1949). Turkey: An economic appraisal. twentieth Century Fund.

Chicago Style (17th ed.) Citation

Thornburg, Max Weston, George Henry Soule, and Graham Spry. Turkey: An Economic Appraisal. New York: twentieth Century Fund, 1949.

MLA (9th ed.) Citation

Thornburg, Max Weston, et al. Turkey: An Economic Appraisal. twentieth Century Fund, 1949.