Citazione Stile APA (7a Edizione)

Erikson, E. H., & Holton, G. J. (1972). The twentieth-century sciences: Studies in the biography off ideas. Norton.

Citazione stile Chigago Style (17a edizione)

Erikson, Erik H., e Gerald James Holton. The Twentieth-century Sciences: Studies in the Biography off Ideas. New York: Norton, 1972.

Citatione MLA (9a ed.)

Erikson, Erik H., e Gerald James Holton. The Twentieth-century Sciences: Studies in the Biography off Ideas. Norton, 1972.