Παραπομπή σε μορφή APA (7η εκδ.)

Persson, T. (1972). Geomorphological studies in the south-Swedish highlands: With special reference to the glacial forms. Lunds universitets naturgeografiska institution.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Persson, Torsten. Geomorphological Studies in the South-Swedish Highlands: With Special Reference to the Glacial Forms. [Lund]: Lunds universitets naturgeografiska institution, 1972.

Παραπομπή σε μορφή MLA (8th εκδ.)

Persson, Torsten. Geomorphological Studies in the South-Swedish Highlands: With Special Reference to the Glacial Forms. Lunds universitets naturgeografiska institution, 1972.