Παραπομπή σε μορφή APA (7η εκδ.)

Gregory, K. J. (2000). The changing nature of physical geography. Arnold; Co-published in the USA by Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gregory, K. J. The Changing Nature of Physical Geography. London; New York: Arnold; Co-published in the USA by Oxford University Press, 2000.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gregory, K. J. The Changing Nature of Physical Geography. Arnold; Co-published in the USA by Oxford University Press, 2000.