Παραπομπή σε μορφή APA (7η εκδ.)

Eastern States Health Education Conference New York. (1950). The social and biological challenge of our aging population: Proceedings of the Eastern States Health Education Conference, March 31-April 1, 1949. Columbia University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Eastern States Health Education Conference New York. The Social and Biological Challenge of Our Aging Population: Proceedings of the Eastern States Health Education Conference, March 31-April 1, 1949. New York: Columbia University Press, 1950.

Παραπομπή σε μορφή MLA (8th εκδ.)

Eastern States Health Education Conference New York. The Social and Biological Challenge of Our Aging Population: Proceedings of the Eastern States Health Education Conference, March 31-April 1, 1949. Columbia University Press, 1950.