APA-Zitierstil (7. Ausg.)

Hale, G. E. (1925). The possibilities of instrumental development. Govt. Print. Office.

Chicago-Zitierstil (17. Ausg.)

Hale, George Ellery. The Possibilities of Instrumental Development. Washington, [D.C.]: Govt. Print. Office, 1925.

MLA-Zitierstil (8. Ausg.)

Hale, George Ellery. The Possibilities of Instrumental Development. Govt. Print. Office, 1925.