APA (7th ed.) Citation

De Zurko, E. R. (1957). Origins of functionalist theory. Columbia University Press.

Chicago Style (17th ed.) Citation

De Zurko, Edward Robert. Origins of Functionalist Theory. New York: Columbia University Press, 1957.

MLA (9th ed.) Citation

De Zurko, Edward Robert. Origins of Functionalist Theory. Columbia University Press, 1957.

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