Παραπομπή σε μορφή APA (7η εκδ.)

Kaufman, P. E., Koehler, P. G., & Butler, J. F. (2006). External Parasites of Sheep and Goats. The University of Florida George A. Smathers Libraries.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kaufman, Phillip E., Philip G. Koehler, και Jerry F. Butler. External Parasites of Sheep and Goats. The University of Florida George A. Smathers Libraries, 2006.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kaufman, Phillip E., et al. External Parasites of Sheep and Goats. The University of Florida George A. Smathers Libraries, 2006.