Παραπομπή σε μορφή APA (7η εκδ.)

Bolton, T., & Proudlove, P. (1989). Geological maps: Their solution and interpretation. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bolton, T., και P. Proudlove. Geological Maps: Their Solution and Interpretation. Cambridge: Cambridge University Press, 1989.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bolton, T., και P. Proudlove. Geological Maps: Their Solution and Interpretation. Cambridge University Press, 1989.