APA (7th ed.) Citation

Wallace, J. G. (1972). Stages and transition in conceptual development : an experimental study / (by) J.G. Wallace: An experimental study. National Foundation for Educational Research.

Chicago Style (17th ed.) Citation

Wallace, John Gilbert. Stages and Transition in Conceptual Development : An Experimental Study / (by) J.G. Wallace: An Experimental Study. Slough: National Foundation for Educational Research, 1972.

MLA (9th ed.) Citation

Wallace, John Gilbert. Stages and Transition in Conceptual Development : An Experimental Study / (by) J.G. Wallace: An Experimental Study. National Foundation for Educational Research, 1972.

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