APA (7th ed.) Citation

Hopper, E. (1971). Readings in the theory of educational systems. Hutchinson.

Chicago Style (17th ed.) Citation

Hopper, Earl. Readings in the Theory of Educational Systems. London: Hutchinson, 1971.

MLA (9th ed.) Citation

Hopper, Earl. Readings in the Theory of Educational Systems. Hutchinson, 1971.

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