Παραπομπή σε μορφή APA (7η εκδ.)

Stromsted, A. A. (1974). Ancient pioneers: Early connections between Scandinavia and the New World. Erik J. Friis.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Stromsted, Astri A. Ancient Pioneers: Early Connections Between Scandinavia and the New World. Erik J. Friis, 1974.

Παραπομπή σε μορφή MLA (9th εκδ.)

Stromsted, Astri A. Ancient Pioneers: Early Connections Between Scandinavia and the New World. Erik J. Friis, 1974.