Παραπομπή σε μορφή APA (7η εκδ.)

Maas, H. Sorting things out: The economist as an armchair observer / Harro Maas. Histories of scientific observation.(2011).

Παραπομπή σε μορφή Chicago (17η εκδ.)

Maas, Harro. "Sorting Things Out: The Economist as an Armchair Observer / Harro Maas." Histories of Scientific Observation.(2011) .

Παραπομπή σε μορφή MLA (8th εκδ.)

Maas, Harro. "Sorting Things Out: The Economist as an Armchair Observer / Harro Maas." Histories of Scientific Observation.(2011), .