APA (7th ed.) Citation

Ebel, R. L. (1969). Encyclopedia of educational research: A project of the American Educational Research Association (5. ed.). Macmillan.

Chicago Style (17th ed.) Citation

Ebel, Robert L. Encyclopedia of Educational Research: A Project of the American Educational Research Association. 5. ed. London: Macmillan, 1969.

MLA (9th ed.) Citation

Ebel, Robert L. Encyclopedia of Educational Research: A Project of the American Educational Research Association. 5. ed. Macmillan, 1969.