Παραπομπή σε μορφή APA (7η εκδ.)

Trueman, A. E., Whittow, J. B., & Hardy, J. R. (1971). Geology and scenery in England and Wales (New ed., completely revised.). Penguin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Trueman, A. E., J. B. Whittow, και John Richard Hardy. Geology and Scenery in England and Wales. New ed., completely revised. Harmondsworth: Penguin, 1971.

Παραπομπή σε μορφή MLA (8th εκδ.)

Trueman, A. E., et al. Geology and Scenery in England and Wales. New ed., completely revised. Penguin, 1971.