Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. The Mountain Geologist. Rocky Mountain Association of Geologists.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. The Mountain Geologist. Denver, Colo: Rocky Mountain Association of Geologists.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. The Mountain Geologist. Rocky Mountain Association of Geologists.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.