Παραπομπή σε μορφή APA (7η εκδ.)

Weckroth, J. (1964). Studies in colour after-images: Presentation of basic data and previous studies, with some new observations and a theoretical discussion. Suomalainen Tiedeakatemia.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Weckroth, Johan. Studies in Colour After-images: Presentation of Basic Data and Previous Studies, with Some New Observations and a Theoretical Discussion. Helskinki: Suomalainen Tiedeakatemia, 1964.

Παραπομπή σε μορφή MLA (8th εκδ.)

Weckroth, Johan. Studies in Colour After-images: Presentation of Basic Data and Previous Studies, with Some New Observations and a Theoretical Discussion. Suomalainen Tiedeakatemia, 1964.