Παραπομπή σε μορφή APA (7η εκδ.)

Hughes, J. D. (2014). Environmental problems of the Greeks and Romans: Ecology in the ancient mediterranean (2nd ed.). Johns Hopkins University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hughes, J. Donald. Environmental Problems of the Greeks and Romans: Ecology in the Ancient Mediterranean. 2nd ed. Baltimore: Johns Hopkins University Press, 2014.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hughes, J. Donald. Environmental Problems of the Greeks and Romans: Ecology in the Ancient Mediterranean. 2nd ed. Johns Hopkins University Press, 2014.