APA-referens (7:e uppl.)

Grubb, E. (1908). Authority and the light within. James Clarke & Co..

Chicago-referens (17:e uppl.)

Grubb, Edward. Authority and the Light Within. London: James Clarke & Co., 1908.

MLA-referens (8:e uppl.)

Grubb, Edward. Authority and the Light Within. James Clarke & Co., 1908.