APA (7th ed.) Citation

Fröbel, F., & Lilley, I. M. (1967). Friedrich Froebel: A selection from his writings. Cambridge U.P..

Chicago Style (17th ed.) Citation

Fröbel, Friedrich, and Irene M. Lilley. Friedrich Froebel: A Selection from His Writings. Cambridge: Cambridge U.P., 1967.

MLA (9th ed.) Citation

Fröbel, Friedrich, and Irene M. Lilley. Friedrich Froebel: A Selection from His Writings. Cambridge U.P., 1967.