Παραπομπή σε μορφή APA (7η εκδ.)

Whittier, W. H. (1917). An investigation of the iron ore resources of the Northwest. The University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Whittier, William Harrison. An Investigation of the Iron Ore Resources of the Northwest. Seattle: The University, 1917.

Παραπομπή σε μορφή MLA (8th εκδ.)

Whittier, William Harrison. An Investigation of the Iron Ore Resources of the Northwest. The University, 1917.