Παραπομπή σε μορφή APA (7η εκδ.)

Lewis, G. M. (1930). An analysis of shipments of Texas sheep and goats. University of Texas.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lewis, George McKoy. An Analysis of Shipments of Texas Sheep and Goats. Austin, Tex.: University of Texas, 1930.

Παραπομπή σε μορφή MLA (8th εκδ.)

Lewis, George McKoy. An Analysis of Shipments of Texas Sheep and Goats. University of Texas, 1930.