APA (7th ed.) Citation

Nikkels, G. (1967). Motion, energy, and the thought mechanism: A new theory of human development ([1st ed.].). Exposition Press.

Chicago Style (17th ed.) Citation

Nikkels, Gerrit. Motion, Energy, and the Thought Mechanism: A New Theory of Human Development. [1st ed.]. New York: Exposition Press, 1967.

MLA (9th ed.) Citation

Nikkels, Gerrit. Motion, Energy, and the Thought Mechanism: A New Theory of Human Development. [1st ed.]. Exposition Press, 1967.