Παραπομπή σε μορφή APA (7η εκδ.)

Langeland, P. (1970). Population screening for female breast tumours: A clinical investigation in Malmö, 1966 and 1967. [Translated by L. James Brown].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Langeland, Per. Population Screening for Female Breast Tumours: A Clinical Investigation in Malmö, 1966 and 1967. [Translated by L. James Brown]. Stockholm, 1970.

Παραπομπή σε μορφή MLA (8th εκδ.)

Langeland, Per. Population Screening for Female Breast Tumours: A Clinical Investigation in Malmö, 1966 and 1967. [Translated by L. James Brown]. 1970.