Παραπομπή σε μορφή APA (7η εκδ.)

Callicott, J. B. (1994). Earth's insights: A survey of ecological ethics from the Mediterranean basin to the Australian outback. University of California Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Callicott, J. Baird. Earth's Insights: A Survey of Ecological Ethics from the Mediterranean Basin to the Australian Outback. Berkeley: University of California Press, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Callicott, J. Baird. Earth's Insights: A Survey of Ecological Ethics from the Mediterranean Basin to the Australian Outback. University of California Press, 1994.